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          NYKM Series
          
		 
          Molded Case Circuit Breaker
          
		 
          
		 
          
			 Compact
			 Safe
			 Wide application
			 Diversity
		 
          
	 
          	

          
	
	
          
		
          
			
          PRODUCT OVERVIEW
          
		    
          NYKM series molded case circuit breaker features small size, high breaking capacity, multiple specifications and full range of accessories, which is widely used in industrial, commercial, residential and infrastructure projects. It can meet customized needs with highly flexible systems to realize intelligent control and management.
          
		
          
		
          
			
		
          
		
	
          
	
	
          
		
          
			
          DOUBLE INSULATION DESIGN
          
			
            
				
          • Adopts dual insulation design to increase the insulation of the product. The insulation voltage level is 1000V, and the molded case is equipped with standard inter-phase spacer, which makes the electricity safer and more adaptable to various operating scenarios.
            • 
			
          
		
          
		
          
			
		
          
	
          
	
	
          
		
          
			
          FLAME-RETARDANT AND HIGH
          TEMPERATURE RESISTANT CASING
          
		    
          Adopts flame-retardant and high temperature resistant casing can effectively protect electrical equipment from the threat of fire and high temperature. We pay attention to details and structural stability in design to ensure that the product can operate normally in various harsh environments.
          
		
          
		
          
			
		
          	
	
          
	
	
          
		
          
			
          MULTIPLE TRIPPING MODES
          
		    
          
				
          
					
          Thermomagnetic mode
          
					
          Overload long delay protection
          
					
          Short-circuit instantaneous protection
          
				
          
				
          
					
          Leakage mode
          
					
          Overload long delay protection
          
					
          Short-circuit instantaneous protection
          
					
          Leakage protection
          
				
          
				
          
					
          Electronic display
          
					
          Overload long delay protection
          
					
          Short-circuit instantaneous protection
          
					
          Short-circuit short delay protection
          
					
          Grounding fault protection
          
					
          485Electrical energy measurement
          
					
          Selective coordination
          
				
          
			
          
		
          
	
          
	
	
          
		
          
			
          
				Technical Parameters
			
          
		
          
		
          
			
          
			  
          NYKM2 Series Thermomagnetic  Molded Case Circuit Breaker
          
		    
          
			
          
				
          
					
          
						Model
						Rated  operating  voltage  Ue(V) 
						Casing current Inm(A)
						Rated currentIn(A)
						Rated  insulation  voltage Ui(V)
						Rated impulse  withstand  voltage    Uimp(kV)
						Number  of poles 
						Rated  ultimate  short -circuit  breaking  capacity  code
						Short-circuit breaking capacity
					
          
					
          
						Rated ultimate short-circuit  breaking capacity Icu(kA) 
						Rated operating short-circuit  breaking capacity Ics(kA)  
					
          
					
          
						400V
						690V
						400V
						690V
					
          
					
          
						NYKM2-63
						AC400
						63
						10、16、20、25、 32、40、50、63
						AC500
                        AC8
						3P
						L
						35
						-
						18
						-
					
          
					
          
                        3P、4P
						M
						50
						-
						25
						-
					
          
					
          
						NYKM2-100
						AC400、AC690
						100
						16、20、25、32、40、 50、63、80、100  
						AC800
                        AC8
						3P
						L
						35
						20
						22
						10
					
          
					
          
                        3P、4P
						M
						65
						20
						35
						10
					
          
					
          
                        H
						85
						20
						50
						10
					
          
					
          
						NYKM2-225
						AC400、AC690
						225
						100、125、140、160、 180、200、225
						AC800
                        AC8
						3P
						L
						35
						20
						22
						10
					
          
					
          
                        3P、4P
						M
						65
						20
						35
						10
					
          
					
          
                        H
						85
						20
						50
						10
					
          
					
          
						NYKM2-250
						AC400、AC690
						250
						100、125、140、160、 180、200、225、250
						AC1000
                        AC8
						3P
						L
						36
						20
						27
						15
					
          
					
          
                        3P、4P
						M
						50
						20
						40
						15
					
          
					
          
                        H
						85
						20
						65
						15
					
          
					
          
						NYKM2-400
						AC400、AC690
						400
						225、250、315、 350、400 
						AC800
                        AC8
						3P、4P
						L
						50
						15
						35
						10
					
          
					
          
						M
						65
						20
						42
						15
					
          
					
          
                        H
						100
						20
						65
						15
					
          
					
          
						NYKM2-630
						AC400、AC690
						630
						400、500、630
						AC800
                        AC8
						3P、4P
						L
						50
						15
						35
						10
					
          
					
          
						M
						65
						20
						42
						15
					
          
					
          
                        H
						100
						20
						65
						15
					
          
					
          
						NYKM2-800
						AC400、AC690
						800
						630、700、800
						AC1000
                        AC8
						3P、4P
						M
						75
						20
						65
						15
					
          
					
          
						H
						100
						20
						75
						15
					
          
					
          
						NYKM2-1250
						AC400、AC690
						1250
						800、1000、1250
						AC800
                        AC8
						3P
						-
						65
						15
						32.5
						10
					
          
				
          
				
			
           
		
          
		
          
			
          
			  
          NYKM2L Series LEAKAGE Molded Case Circuit Breaker
          
		    
          
			
          
				
          
					
          
						Model
						Rated  operating  voltage  Ue(V) 
						Casing current Inm(A)
						Rated currentIn(A)
						Rated  insulation  voltage Ui(V)
						Rated impulse  withstand  voltage    Uimp(kV)
						Number  of poles 
						Rated  ultimate  short -circuit  breaking  capacity  code
						Short-circuit breaking capacity
						Rated  residual  short -circuit  making  (breaking)  capacity  I△m(kA)  
						Rated residual  operating current I△n (mA)   
						Rated  residual  non -operating  current I△no
					
          
					
          
						Rated  ultimate  short -circuit  breaking  capacity  Icu(A)
						Rated  operating  short -circuit  breaking  capacity  Ics(A)
					
          
					
          
						NYKM2L-125
						AC400
						125
						16、20、25、32、40、 50、63、80、100、125 
						AC1000
                        AC8
						3P、4P
						M
						50
						35
						1/4Icu
						100/300/500
						1/2I△no
					
          
					
          
						H
						85
						50
					
          
					
          
						NYKM2L-250
						AC400
						250
						100、125、140、 160、180、200、 225、250 
						AC1000
                        AC8
						3P、4P
						M
						50
						35
						100/300/500
					
          
					
          
						H
						85
						50
					
          
					
          
						NYKM2L-400
						AC400
						400
						225、250、315、 350、400
						AC1000
                        AC8
						3P、4P
						M
						65
						42
						100/300/500
					
          
					
          
						H
						100
						70
					
          
					
          
						NYKM2L-630
						AC400
						630
						400、500、630
						AC1000
                        AC8
						3P、4P
						M
						65
						42
						300/500/1000
					
          
					
          
						H
						100
						70
					
          
					
				
          
				
			
           
		
          
		
          
			
          
			  
          NYKM2E Series Electronic  Molded Case Circuit Breaker  
          
		    
          
			
          
				
          
					
          
						Model
						Rated  operating  voltage  Ue(V) 
						Casing current Inm(A)
						Rated currentIn(A)
						Rated  insulation  voltage Ui(V)
						Rated impulse  withstand  voltage    Uimp(kV)
						Number  of poles 
						Rated  ultimate  short -circuit  breaking  capacity  code
						Short-circuit breaking capacity
					
          
					
          
						Rated ultimate short-circuit  breaking capacity Icu(kA) 
						Rated  operating  short -circuit  breaking  capacity  Ics(A)
					
          
					
          
						400V
						400V
					
          
					
          
						NYKM2E-100
						AC400
						100
						16、20、 25、32
						32、36、40、45、50、55、 60、63 
						63、65、70、75、80、85、 90、95、100 
						AC800
                        AC8
						3P、4P
						M
						50
						35
					
          
					
          
						H
						85
						50
					
          
					
          
						NYKM2E-225
						AC400
						225
						100、125、140、160、 180、200、225 
						AC800
                        AC8
						3P、4P
						M
						65
						35
					
          
					
          
						H
						85
						50
					
          
					
          
						NYKM2E-250
						AC400
						250
						100、125、140、160、 180、200、225、250
						AC1000
                        AC8
						3P、4P
						M
						50
						50
					
          
					
          
						3P
						H
						85
						50
					
          
					
          
						NYKM2E-400
						AC400
						400
						200、225、250、280、 315、350、400   
						AC800
                        AC8
						3P、4P
						M
						65
						42
					
          
					
          
						H
						100
						65
					
          
					
          
						NYKM2E-800
						AC400
						800
						400、420、440、 460、480、500、 530、560、600、630
						630、640、660、 680、700、720、 740、760、780、800
						AC800
                        AC8
						3P、4P
						M
						65
						42
					
          
					
          
						H
						100
						65
					
          
					
				
          
			
           
		
          
		
          
			
          
			  
          NYKM3 Series Thermomagnetic  Molded Case Circuit Breaker   r
          
		    
          
			
          
				
          
					
          
						Model
						Rated  operating  voltage  Ue(V) 
						Casing current Inm(A)
						Rated currentIn(A)
						Rated  insulation  voltage Ui(V)
						Rated impulse  withstand  voltage    Uimp(kV)
						Number  of poles 
						Rated  ultimate  short -circuit  breaking  capacity  code
						Rated ultimate short-circuit  breaking capacity Icu(kA) 
						Rated  operating  short -circuit  breaking  capacity  Ics(A)
					
          
					
          
						415V
						690V
						415V
						690V
					
          
					
          
						NYKMM3-63
						AC415V
						63
						10、16、20、25、 32、40、50、63 
						AC1000V
                        AC8
						3P、4P
						L
						36
						12
						36
						10
					
          
					
          
						M
						55
						12
						40
						10
					
          
					
          
						NYKMM3-125
						AC415V、AC690V
						125
						16、20、25、32、40、  50、63、80、100、125
						AC1000V
                        AC8
						3P、4P
						L
						50
						20
						40
						10
					
          
					
          
						M
						75
						20
						55
						10
					
          
					
          
						H
						100
						20
						70
						10
					
          
					
          
						NYKMM3-250
						AC415V、AC690V
						250
						100、125、140、160、 180、200、225、250
						AC1000V
                        AC12
						3P、4P
						L
						50
						20
						40
						10
					
          
					
          
						M
						75
						20
						55
						10
					
          
					
          
						H
						100
						20
						70
						10
					
          
					
          
						NYKMM3-400
						AC415V、AC690V
						400
						225、250、315、350、 400
						AC1000V
                        AC12
						3P、4P
						L
						55
						20
						55
						15
					
          
					
          
						M
						75
						20
						75
						15
					
          
					
          
						H
						100
						20
						85
						15
					
          
					
          
						NYKMM3-630
						AC415V、AC690V
						630
						400、500、630
						AC1000V
						3P、4P
						L
						55
						20
						55
						15
					
          
					
          
						M
						75
						20
						75
						15
					
          
					
          
						H
						100
						20
						85
						15
					
          
					
          
						NYKMM3-800
						AC415V、AC690V
						800
						630、700、800
						AC1000V
						3P、4P
						M
						75
						20
						75
						15
					
          
					
          
						H
						100
						20
						85
						15
					
          
				
          
			
           
		
          
		
          
			
          
			  
          NYKM3L Series LEAKAGE Molded Case Circuit Breaker    
          
		    
          
			
          
				
          
					
          
						Model
						Rated  operating  voltage  Ue(V) 
						Casing current  Inm(A) 
						Rated currentIn(A)
						Selective  category 
						Rated  insulation  voltage Ui(V)
						Rated impulse  withstand  voltage    Uimp(kV)
						Number  of poles 
						Rated  ultimate  short -circuit  breaking  capacity  code
						Short-circuit breaking capacity
						Rated  residual  short-circuit  making  (breaking)  capacity
						Rated residual  operating current  I△n（mA）
						Rated  residual  non -operating  current I△no
					
          
					
          
						Rated ultimate short-circuit  breaking capacity Icu(kA) 
						Rated  operating  short -circuit  breaking  capacity  Ics(A)
						Ⅰ type
						Ⅱ type
					
          
					
          
						400V
						400V
					
          
					
          
						NYKM3L-125
						400V
						125
						16A、20A、25A、32A、40A、  50A、63A、80A、100A、125A 
						Category A
                        1000V
						8KV
						3
						M
						50
						35
						Icu×25%
						100、300、500
						30、100、300
						I△n×50%
					
          
					
          
						4
						M
					
          
					
          
						3
						H
						85
						50
					
          
					
          
						4
						H
					
          
					
          
						NYKM3L-250
						400V
						250
						100A、125A、140A、160A、 180A、200A、225A、250A   
						Category A
                        1000V
						8KV
						3
						M
						50
						35
						Icu×25%
						100、300、500
						30、100、300
						I△n×50%
					
          
					
          
						4
						M
					
          
					
          
						3
						H
						85
						50
					
          
					
          
						4
						H
					
          
					
          
						NYKM3L-400
						400V
						400
						225A、250A、315A、 350A、400A
						Category A
                        1000V
						8KV
						3
						M
						65
						42
						Icu×25%
						100、300、500
						300、500、1000
						I△n×50%
					
          
					
          
						4
						M
					
          
					
          
						3
						H
						100
						70
					
          
					
          
						4
						H
					
          
					
          
						NYKM3L-800
						400V
						800
						630A、700A、800A
						Category A
                        1000V
						8KV
						3
						M
						65
						42
						Icu×25%
						100、300、500
						300、500、1000
						I△n×50%
					
          
					
          
						4
						M
					
          
					
          
						3
						H
						100
						70
					
          
					
          
						4
						H
					
          
				
          
			
           
		
          
		
          
			
          
			  
          NYKM3E Series ELECTRONIC  Molded Case Circuit Breaker    
          
		    
          
			
          
				
          
					
          
						Model
						Rated  operating  voltage  Ue(V) 
						Casing current  Inm(A) 
						Rated currentIn(A)
						Rated  insulation  voltage Ui(V)
						Rated impulse  withstand  voltage    Uimp(kV)
						Use  category 
						Number  of poles 
						Rated  ultimate  short -circuit  breaking  capacity  code
						Short-circuit breaking capacity
					
          
					
          
						Rated ultimate short-circuit  breaking capacity Icu(kA) 
						Rated  operating  short -circuit  breaking  capacity  Ics(A)
					
          
					
          
						400V
						690V
						400V
						690V
					
          
					
          
						NYKM3E-125
						AC415V、 AC690V
						32
						12、14、16、18、20、22、25、28、30、32
                        AC1000V
						AC8
						A
						3P、4P
						M
						70
						20
						50
						15
					
          
					
          
						63
						 25、28、32、36、40、45、50、56、60、63 
					
          
					
          
						125
						50、63、70、75、80、85、90、95、100、125   
						H
						85
						65
					
          
					
          
						NYKM3E-250
						160
						63、70、75、80、90、100、125、140、150、160
						A
						3P、4P
						M
						70
						20
						50
						10
					
          
					
          
						250
						100、112、125、140、150、160、180、200、225、250 
						H
						85
						65
					
          
					
          
						NYKM3E-400
						400
						160、180、200、225、250、280、315、350、375、400 
						B
						3P、4P
						M
						70
						20
						65
						15
					
          
					
          
						H
						100
						75
					
          
					
          
						NYKM3E-630
						630
						250、280、315、350、375、400、450、500、560、630   
						B
						3P
						M
						75
						30
						65
						20
					
          
					
          
						H
						100
						75
					
          
					
          
						NYKM3E-800
						630
						250、280、315、350、375、400、450、500、560、630
						B
						3P、4P
						M
						75
						30
						65
						20
					
          
					
          
						800
						315、350、400、450、500、560、630、700、760、800
						H
						100
						75
					
          
					
				
          
			
           
		
          
	
          
	
	
          
		
          
			
          
				Selection table 
			
          
		
          
		
          
			
          
			  
          
		    
          
			
          
				
          
					
          
						NYKM2
						250
						M
						P
						3
						2
						00
						2
						B
						250
						Installation  method
					
          
					
          
						Product code
						Housing  grade
						Breaking  capacity
						Operation  mode
						Pole No.
						Type of  tripping device
						Accessory  code
						Application  code
						N-pole code
						Rated current
						Installation  method
					
          
					
          
						NYKM2：
           Thermo -magnetic  Molded  Case Circuit  Breaker           		
						63A 
          100A 
          225A 
          250A 
          400A 
          630A 
          800A 
          1250A           		
						L:Basic type
           M:Standard  type
           H:High breaking type          		
						Z:Manual operation 
          P:Electric operation
          None: Direct operation          		
						3：3 pole 
          4：4 pole          		
						2：Electro-magnetic type 
          3：Thermo-magnetic type 
          0：No trip          		
						Refers to  accessory  table
						2:Motor protection 
          None: Power distribution protection          		
						A:No overcurrent protection, N pole is always switched on 
          B:No overcurrent protection, N pole is switched on and off with other three pole 
          C:With overcurrent protection, N pole is switched on and off with other three pole 
          D:With overcurrent protection, N pole is always switched on          		
						10A、16A 
          20A、25A 
          32A、40A 
          50A、63A 
          80A、100A
           125A、140A 
          160A、180A 
          200A、225A 
          250A、315A
           350A、400A 
          630A、700A
           800A、1000A 
          1250A           		
						Fixed wiring at front panel.
          Fixed wiring at rear panel.
          Plug-in wiring at front panel.
          Plug-in wiring at rear panel.
          Withdrawable wiring at front panel.
          Withdrawable wiring at rear panel .           		
					
          
				
          
			
          
			
          Note:
          ●   Overload alarm non-tripping device (code 3200I,4200I) is applicable to NYKM2 series molded case circuit breaker 100, 225, 250, 400, 630 housing. However, all specifications of four-pole  
            circuit breaker of NYKM2 series with the neutral type C and D type do None overload alarm non-tripping function.
          ●  Standard inter-phase spacer.
          
		
          
		
          
			
          
			  
          NYKM2L Series Leakage Molded Case Circuit Breaker   
          
		    
          
			
          
				
          
					
          
						NYKM2L
						250
						M
						P
						3
						2
						00
						2
						B
						250
						Residual  current 
						Relay type
						Installation  method
					
          
					
          
						Product code  
						Casing grade
						Breaking  capacity
						Operation  mode
						Pole No.
						Type of  tripping  device
						Accessory  code
						Application  code
						N-pole code
						Rated current
						Residual  current 
						Relay type
						Installation  method
					
          
					
          
						NYKM2L：
          Leakage  Molded  Case Circuit breaker          		
						
          125A 
          250A 
          400A 
          630A           		
						 M:Standard  type
           H:High breaking type          		
						Z:Manual operation 
          P:Electric operation
          None: Direct operation          		
						3：3 pole 
          4：4 pole          		
						2：Electro-magnetic type 
          3：Thermo-magnetic type           		
						Refers to  accessory  table
						2:Motor protection 
          None: Power distribution protection          		
						A:No overcurrent protection, N pole is always switched on 
          B:No overcurrent protection, N pole is switched on and off with other three pole 
          C:With overcurrent protection, N pole is switched on and off with other three pole 
          D:With overcurrent protection, N pole is always switched on          		
						16A 
          20A、25A 
          32A、40A 
          50A、63A 
          80A、100A
           125A、140A 
          160A、180A 
          200A、225A 
          250A、315A
           350A、400A 
          630A           		
						100/300/ 500mA
           300/500/1000mA          		
						Relay type   
          Non-relay type             		
						Fixed wiring at front panel.
          Fixed wiring at rear panel.
          Plug-in wiring at front panel.
          Plug-in wiring at rear panel.
          Withdrawable wiring at front panel.
          Withdrawable wiring at rear panel .           		
					
          
				
          
			
          
			
          Note:
          ●  ：I: Indicates that the leakage alarm module sends out a signal and the circuit breaker is tripped at the same time.
				
          ●   II: Indicates that the leakage alarm module sends out a signal and the circuit breaker is not tripped. 
			    
          ●   Standard inter-phase spacer
          
		
          
		
          
			
          
			  
          NYKM2E Series Electronic  Molded Case Circuit Breaker  
          
		    
          
			
          
				
          
					
          
						NYKM2E
						250
						M
						P
						3
						4
						00
						2
						B
						250
						Installation  method
					
          
					
          
						Product code  
						Casing grade
						Breaking  capacity
						Operation  mode
						Pole No.
						Type of  tripping  device
						Accessory  code
						Application  code
						N-pole code
						Rated current
						Installation  method
					
          
					
          
						NYKM2E：
          Electronic   Molded  Case Circuit  Breaker            		
						100A 
          225A 
          250A 
          400A 
          800A           		
						L:Basic type
           M:Standard  type
           H:High breaking type          		
						Z:Manual operation 
          P:Electric operation
          None: Direct operation          		
						3：3 pole 
          4：4 pole          		
						4：Electronic display
						Refers to  accessory  table
						2:Motor protection 
          None: Power distribution protection          		
						A:No overcurrent protection, N pole is always switched on 
          B:No overcurrent protection, N pole is switched on and off with other three pole 
          C:With overcurrent protection, N pole is switched on and off with other three pole 
          D:With overcurrent protection, N pole is always switched on          		
						32A 
          63A 
          100A 
          225A 
          250A 
          400A 
          630A 
          800A            		
						Fixed wiring at front panel.
          Fixed wiring at rear panel.
          Plug-in wiring at front panel.
          Plug-in wiring at rear panel.
          Withdrawable wiring at front panel.
          Withdrawable wiring at rear panel .           		
					
          
				
          
			
          
			
          Note:
          ●   Overload alarm non-tripping module (code 3400I, 4400I) is applicable for NYKM2E series molded case circuit breakers; 100, 225, 250, 400, 800 housing can be equipped with alarm non-tripping module.
          ●  Standard inter-phase spacer
          
		
          
		
          
			
          
			  
          NYKM3 Series Thermomagnetic  Molded Case Circuit Breaker   r
          
		    
          
			
          
				
          
					
          
						NYKM3
						250
						M
						P
						3
						2
						00
						2
						B
						250
						Installation  method
					
          
					
          
						Product code  
						Casing grade
						Breaking  capacity
						Operation  mode
						Pole No.
						Type of  tripping device
						Accessory  code
						Application  code
						N-pole code
						Rated current
						Installation  method
					
          
					
          
						NYKM3：
          Thermo -magnetic  Molded  Case Circuit  Breaker           		
						63A 
          125A 
          250A 
          400A 
          630A 
          800A           		
						L:Basic type
           M:Standard  type
           H:High breaking type          		
						Z:Manual operation 
          P:Electric operation
          None: Direct operation          		
						3：3 pole 
          4：4 pole          		
						2：Electro-magnetic type  
          3：Thermo-magnetic type 
          0：No trip           		
						Refers to  accessory  table
						2:Motor protection 
          None: Power distribution protection          		
						A:No overcurrent protection, N pole is always switched on 
          B:No overcurrent protection, N pole is switched on and off with other three pole 
          C:With overcurrent protection, N pole is switched on and off with other three pole 
          D:With overcurrent protection, N pole is always switched on          		
						10A、16A 
          20A、25A 
          32A、40A 
          50A、63A 
          80A、100A
           125A、140A
           160A、180A 
          200A、225A 
          250A、315A 
          350A、400A 
          630A、700A
          800A          		
						Fixed wiring at front panel.
          Fixed wiring at rear panel.
          Plug-in wiring at front panel.
          Plug-in wiring at rear panel.
          Withdrawable wiring at front panel.
          Withdrawable wiring at rear panel .           		
					
          
				
          
			
          
			
          Note:
          ●   Overload alarm non-tripping device (code 3200I,4200I) is applicable to NYKM3 series molded case circuit breaker 100, 225, 250, 400, 630 housing. However, all specifications of four-pole circuit breaker of NYKM3 series with the neutral type C and D type do None overload alarm non-tripping function.
          ●  Standard inter-phase spacer.
          
		
          
		
          
			
          
			  
          NYKM3L Series LEAKAGE Molded Case Circuit Breaker
          
		    
          
			
          
				
          
					
          
						NYKM3L
						250
						M
						P
						3
						2
						00
						2
						B
						250
						Residual  current 
						Non-relay type
						Installation  method
					
          
					
          
						Product code  
						Casing grade
						Breaking  capacity
						Operation  mode
						Pole No.
						Type of  tripping device
						Accessory  code
						Application  code
						N-pole code
						Rated current
						Residual  current 
						Relay type
						Installation  method
					
          
					
          
						NYKM3L：
          Leakage  Molded  Case Circuit  Breaker            		
						125A 
          250A 
          400A 
          800A           		
						M:Standard  type
           H:High breaking type          		
						Z:Manual operation 
          P:Electric operation
          None: Direct operation          		
						3：3 pole 
          4：4 pole          		
						2：Electro-magnetic type  
          3：Thermo-magnetic type           		
						Refers to  accessory  table
						2:Motor protection 
          None: Power distribution protection          		
						A:No overcurrent protection, N pole is always switched on 
          B:No overcurrent protection, N pole is switched on and off with other three pole 
          C:With overcurrent protection, N pole is switched on and off with other three pole 
          D:With overcurrent protection, N pole is always switched on          		
						16A 
          20A、25A 
          32A、40A 
          50A、63A 
          80A、100A
           125A、140A
           160A、180A 
          200A、225A 
          250A、315A 
          350A、400A 
          630A、700A
          800A          		
						100/300/500mA
           300/500/1000mA          		
						Relay type   
          Non-relay type             		
						Fixed wiring at front panel.
          Fixed wiring at rear panel.
          Plug-in wiring at front panel.
          Plug-in wiring at rear panel.
          Withdrawable wiring at front panel.
          Withdrawable wiring at rear panel .           		
					
          
				
          
			
          
			
          Note: ●    I: Indicates that the leakage alarm module sends out a signal and the circuit breaker is tripped at the same time.
          ●  II: Indicates that the leakage alarm module sends out a signal and the circuit breaker is not tripped. 
          ●  Standard inter-phase spacer
          
		
          
		
          
			
          
			  
          NYKM3E Series ELECTRONIC Molded Case Circuit Breaker
          
		    
          
			
          
				
          
					
          
						NYKM3E
						250
						M
						P
						3
						4
						00
						2
						B
						250
						Installation  method
					
          
					
          
						Product code  
						Casing grade
						Breaking  capacity
						Operation  mode
						Pole No.
						Type of  tripping device
						Accessory  code
						Application  code
						N-pole code
						Rated current
						Installation  method
					
          
					
          
						NYKM3L：
          Electronic Molded  Case Circuit  Breaker          		
						125A 
          250A 
          400A
          630A 
          800A           		
						L:Basic type
          M:Standard  type
           H:High breaking type          		
						Z:Manual operation 
          P:Electric operation
          None: Direct operation          		
						3：3 pole 
          4：4 pole          		
						4：Electronic display 
						Refers to  accessory  table
						2:Motor protection 
          None: Power distribution protection          		
						A:No overcurrent protection, N pole is always switched on 
          B:No overcurrent protection, N pole is switched on and off with other three pole 
          C:With overcurrent protection, N pole is switched on and off with other three pole 
          D:With overcurrent protection, N pole is always switched on          		
						125A
          250A
          400A
          630A
          800A          		
						Fixed wiring at front panel.
          Fixed wiring at rear panel.
          Plug-in wiring at front panel.
          Plug-in wiring at rear panel.
          Withdrawable wiring at front panel.
          Withdrawable wiring at rear panel .           		
					
          
				
          
			
          
			
          Note:
          ●    Overload alarm non-tripping module (code 3400I, 4400I) is applicable for NYKM3E series molded case circuit breakers; 100, 225, 250, 400, 800 housing can be equipped with alarm non-tripping module.
          ●  Standard inter-phase spacer
          
		
          
	
          
	
	
          
			
          
				
          
			       
          
				       Technical Parameters
			       
          
		        
          
				
          
					
          NYKM2 Series Thermomagnetic  Molded Case Circuit Breaker 
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400
            
											
            Casing current  Inm(A) ：63
            
											
            Rated currentIn(A)：10、16、20、25、 32、40、50、63
            
											
            Rated  insulation  voltage Ui(V)：AC500
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P/3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：L/M
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ）：
             35/50（400V）；-（690V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：
            18/25（400V）；-（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400、AC690
            
											
            Casing current  Inm(A) ：100
            
											
            Rated currentIn(A)：16、20、25、32、40、 50、63、80、100
            
											
            Rated  insulation  voltage Ui(V)：AC800
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P/3P、4P/3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：L/M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ）：
            35/65/85（400V）；20（690V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：
             22/35/50（400V）；10（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400、AC690
            
											
            Casing current  Inm(A) ：225
            
											
            Rated currentIn(A)：100、125、140、160、 180、200、225 
            
											
            Rated  insulation  voltage Ui(V)：AC800
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P/3P、4P/3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：L/M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ）：
            35/65/85（400V）；20（690V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：
             22/35/50（400V）；10（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400、AC690
            
											
            Casing current  Inm(A) ：250
            
											
            Rated currentIn(A)：100、125、140、160、 180、200、225、250
            
											
            Rated  insulation  voltage Ui(V)：AC1000
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P/3P、4P/3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：L/M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ）：
             36/50/85（400V）；20（690V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：
            27/40/65 （400V）；15（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400、AC690
            
											
            Casing current  Inm(A) ：400
            
											
            Rated currentIn(A)：225、250、315、 350、400 
            
											
            Rated  insulation  voltage Ui(V)：AC800
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：L/M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ）：
            50/65/100（400V）； 15/20/20（690V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：
              35/42/65（400V）； 10/15/15（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400、AC690
            
											
            Casing current  Inm(A) ：630
            
											
            Rated currentIn(A)：400、500、630
            
											
            Rated  insulation  voltage Ui(V)：AC800
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：L/M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ）：
              50/65/100（400V）； 15/20/20 （690V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：
            35/42/65 （400V）；10/15/15（690V） 
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400、AC690
            
											
            Casing current  Inm(A) ：800
            
											
            Rated currentIn(A)：630、700、800
            
											
            Rated  insulation  voltage Ui(V)：AC1000
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ）：
             75/100 （400V）；20（690V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：
            65/75 （400V）；15（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400、AC690
            
											
            Casing current  Inm(A) ：1250
            
											
            Rated currentIn(A)：800、1000、1250
            
											
            Rated  insulation  voltage Ui(V)：AC800
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：-
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ）：65(400V)；15（690V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：32.5(400V)；10（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          NYKM2L Series Leakage Molded Case Circuit Breaker
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400
            
											
            Casing current  Inm(A) ：125
            
											
            Rated currentIn(A)：16、20、25、32、40、 50、63、80、100、125 
            
											
            Rated  insulation  voltage Ui(V)：AC1000
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ）：50/85
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：35/50
            
											
            Rated  residual  short -circuit  making  (breaking)  capacity  I△m(kA)  ：1/4Icu 
            
											
            Rated residual  operating current I△n (mA)   ：100/300/500
            
											
            Rated  residual  non -operating  current I△no：1/2I △no
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400
            
											
            Casing current  Inm(A) ：250
            
											
            Rated currentIn(A)：100、125、140、160、180、200、225、250
            
											
            Rated  insulation  voltage Ui(V)：AC1000
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ）：50/85
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：35/50
            
											
            Rated  residual  short -circuit  making  (breaking)  capacity  I△m(kA)  ：1/4Icu 
            
											
            Rated residual  operating current I△n (mA)   ：100/300/500
            
											
            Rated  residual  non -operating  current I△no：1/2I △no
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400
            
											
            Casing current  Inm(A) ：400
            
											
            Rated currentIn(A)：225、250、315、350、400
            
											
            Rated  insulation  voltage Ui(V)：AC1000
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ）：65/100
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：42/70
            
											
            Rated  residual  short -circuit  making  (breaking)  capacity  I△m(kA)  ：1/4Icu 
            
											
            Rated residual  operating current I△n (mA)   ：100/300/500
            
											
            Rated  residual  non -operating  current I△no：1/2I △no
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400
            
											
            Casing current  Inm(A) ：630
            
											
            Rated currentIn(A)：400、500、630
            
											
            Rated  insulation  voltage Ui(V)：AC1000
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ）：65/100
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：42/70
            
											
            Rated  residual  short -circuit  making  (breaking)  capacity  I△m(kA)  ：1/4Icu 
            
											
            Rated residual  operating current I△n (mA)   ：300/500/100
            
											
            Rated  residual  non -operating  current I△no：1/2I △no
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          NYKM2E Series Electronic  Molded Case Circuit Breaker  
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400
            
											
            Casing current  Inm(A) ：100
            
											
            Rated currentIn(A)：16、20、25、32/ 32、36、40、45、50、55、60、63/63、65、70、75、80、85、90、95、100
            
											
            Rated  insulation  voltage Ui(V)：AC800
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ： 50 / 85 （400V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ： 35 / 50 （400V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400
            
											
            Casing current  Inm(A) ：225
            
											
            Rated currentIn(A)：100、125、140、160、180、200、225
            
											
            Rated  insulation  voltage Ui(V)：AC800
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ： 65 / 85 （400V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ： 35 / 50 （400V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400
            
											
            Casing current  Inm(A) ：250
            
											
            Rated currentIn(A)：100、125、140、160、180、200、225、250
            
											
            Rated  insulation  voltage Ui(V)：AC1000
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P/3P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：50 / 85 （400V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：50 / 50 （400V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400
            
											
            Casing current  Inm(A) ：400
            
											
            Rated currentIn(A)：200、225、250、280、 315、350、400
            
											
            Rated  insulation  voltage Ui(V)：AC800
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：65 / 100 （400V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：42 / 65 （400V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC400
            
											
            Casing current  Inm(A) ：800
            
											
            Rated currentIn(A)：400、420、440、460、480、500、530、560、600、630 / 630、640、660、680、700、720、740、760、780、800
            
											
            Rated  insulation  voltage Ui(V)：AC800
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ： 65 / 100（400V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ： 42 / 65（400V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          NYKM3 Series Thermomagnetic  Molded Case Circuit Breaker   r
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC415
            
											
            Casing current  Inm(A) ：63
            
											
            Rated currentIn(A)：10、16、20、25、 32、40、50、63 
            
											
            Rated  insulation  voltage Ui(V)：AC1000
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：L/M
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：36 / 55 （415V）；12（690V） 
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：36 / 40 （415V）；10（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC415、AC690V
            
											
            Casing current  Inm(A) ：125
            
											
            Rated currentIn(A)：16、20、25、32、40、  50、63、80、100、125
            
											
            Rated  insulation  voltage Ui(V)：AC1000
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：L/M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：50 / 75 / 100 （415V）；20（690V） 
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：40 / 55 / 70 （415V）；10（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC415、AC690V
            
											
            Casing current  Inm(A) ：250
            
											
            Rated currentIn(A)：100、125、140、160、 180、200、225、250   
            
											
            Rated  insulation  voltage Ui(V)：AC1000
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC12
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：L/M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：50 / 75 / 100 （415V）；20（690V） 
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：40 / 55 / 70 （415V）；10（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC415、AC690V
            
											
            Casing current  Inm(A) ：400
            
											
            Rated currentIn(A)：225、250、315、350、 400    
            
											
            Rated  insulation  voltage Ui(V)：AC1000
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC12
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：L/M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：55 / 75 / 100 （415V）；20（690V） 
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：55 / 75 / 85 （415V）；15（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC415、AC690V
            
											
            Casing current  Inm(A) ：630
            
											
            Rated currentIn(A)：400、500、630
            
											
            Rated  insulation  voltage Ui(V)：AC1000
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC12
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：L/M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：55 / 75 / 100 （415V）；20（690V） 
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：55 / 75 / 85 （415V）；15（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue(V) ：AC415、AC690V
            
											
            Casing current  Inm(A) ：800
            
											
            Rated currentIn(A)：630、700、800
            
											
            Rated  insulation  voltage Ui(V)：AC1000
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC12
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M/H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ： 75 / 100 （415V）；20（690V） 
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：75 / 85 （415V）；15（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          NYKM3L Series LEAKAGE Molded Case Circuit Breaker
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue (V)：400V
            
											
            Casing current  Inm(A) ：126
            
											
            Rated currentIn(A)：16A、20A、25A、32A、40A、  50A、63A、80A、100A、125A 
            
											
            Selective  category ：Category A
            
											
            Rated  insulation  voltage Ui(V)：1000V
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：8KV
            
											
            Number  of poles ：3 / 4 / 3 / 4
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M / M / H / H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：50 / 50 / 85 / 85 （400V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：35 / 35 / 50 / 50 （400V）
            
											
            Rated  residual  short-circuit  making  (breaking)  capacity：Icu×25%
            
											
            Rated residual  operating current I△n (mA)   ：100、300、500 （Ⅰ type）；30、100、300 （Ⅱ type）
            
											
            Rated  residual  non -operating  current I△no ：I△n×50%
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue (V)：400V
            
											
            Casing current  Inm(A) ：250
            
											
            Rated currentIn(A)：100A、125A、140A、160A、 180A、200A、225A、250A
            
											
            Selective  category ：Category A
            
											
            Rated  insulation  voltage Ui(V)：1000V
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：8KV
            
											
            Number  of poles ：3 / 4 / 3 / 4
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M / M / H / H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：50 / 50 / 85 / 85 （400V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：35 / 35 / 50 / 50 （400V）
            
											
            Rated  residual  short-circuit  making  (breaking)  capacity：Icu×25%
            
											
            Rated residual  operating current I△n (mA)   ：100、300、500 （Ⅰ type）；30、100、300 （Ⅱ type）
            
											
            Rated  residual  non -operating  current I△no ：I△n×50%
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue (V)：400V
            
											
            Casing current  Inm(A) ：400
            
											
            Rated currentIn(A)：225A、250A、315A、 350A、400A  
            
											
            Selective  category ：Category A
            
											
            Rated  insulation  voltage Ui(V)：AC1000V
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：8KV
            
											
            Number  of poles ：3 / 4 / 3 / 4
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M / M / H / H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：65 / 65 / 100 / 100 （400V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：42 / 42 / 70 / 70 （400V）
            
											
            Rated  residual  short-circuit  making  (breaking)  capacity：Icu×25%
            
											
            Rated residual  operating current I△n (mA)   ：100、300、500 （Ⅰ type）；300、500、1000 （Ⅱ type）
            
											
            Rated  residual  non -operating  current I△no ：I△n×50%
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue (V)：400V
            
											
            Casing current  Inm(A) ：800
            
											
            Rated currentIn(A)：630A、700A、800A 
            
											
            Selective  category ：Category A
            
											
            Rated  insulation  voltage Ui(V)：AC1000V
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：8KV
            
											
            Number  of poles ：3 / 4 / 3 / 4
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code：M / M / H / H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：65 / 65 / 100 / 100 （400V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：42 / 42 / 70 / 70 （400V）
            
											
            Rated  residual  short-circuit  making  (breaking)  capacity：Icu×25%
            
											
            Rated residual  operating current I△n (mA)   ：100、300、500 （Ⅰ type）；300、500、1000 （Ⅱ type）
            
											
            Rated  residual  non -operating  current I△no ：I△n×50%
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          NYKM3E Series ELECTRONIC  Molded Case Circuit Breaker    
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue (V)：AC415V、 AC690V   
            
											
            Casing current  Inm(A) ：32/63/125
            
											
            Rated currentIn(A)：12、14、16、18、20、22、25、28、30、32 / 25、28、32、36、40、45、50、56、60、63 / 50、63、70、75、80、85、90、95、100、125   
            
											
            Rated  insulation  voltage Ui(V)：AC1000V
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Use  category ：A
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code： M / H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：70 / 85  （400V）；20（690V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：50 / 65 （400V）；15（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue (V)：AC415V、 AC690V   
            
											
            Casing current  Inm(A) ：160/250
            
											
            Rated currentIn(A)：63、70、75、80、90、100、125、140、150、160 / 100、112、125、140、150、160、180、200、225、250
            
											
            Rated  insulation  voltage Ui(V)：AC1000V
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Use  category ：A
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code： M / H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：70 / 85  （400V）；20（690V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：50 / 65 （400V）；10（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue (V)：AC415V、 AC690V
            
											
            Casing current  Inm(A) ：400
            
											
            Rated currentIn(A)：160、180、200、225、250、280、315、350、375、400 
            
											
            Rated  insulation  voltage Ui(V)：AC1000V
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Use  category ：B
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code： M / H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：70 / 100  （400V）；20（690V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：65 / 75 （400V）；15（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue (V)：AC415V、 AC690V
            
											
            Casing current  Inm(A) ：630
            
											
            Rated currentIn(A)：250、280、315、350、375、400、450、500、560、630
            
											
            Rated  insulation  voltage Ui(V)：AC1000V
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Use  category ：B
            
											
            Number  of poles ：3P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code： M / H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：75 / 100  （400V）；30（690V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：65 / 75 （400V）；20（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Rated  operating  voltage  Ue (V)：AC415V、 AC690V
            
											
            Casing current  Inm(A) ：630/800
            
											
            Rated currentIn(A)：250、280、315、350、375、400、450、500、560、630 / 315、350、400、450、500、560、630、700、760、800 
            
											
            Rated  insulation  voltage Ui(V)：AC1000V
            
											
            Rated impulse  withstand  voltage    Uimp(kV)：AC8
            
											
            Use  category ：B
            
											
            Number  of poles ：3P、4P
            
											
            Rated  ultimate  short -circuit  breaking  capacity  code： M / H
            
											
            Rated ultimate short-circuit  breaking capacity Icu(kA) ：75 / 100  （400V）；30（690V）
            
											
            Rated operating short-circuit  breaking capacity Ics(kA)  ：65 / 75 （400V）；20（690V）
            
										
            
									
            • 
								
          
							
          
						
          
					
          
					
					
				
          
			
          
		
          
	
	
          
			
          
				
          
			       
          
				       Selection table 
			       
          
		        
          
				

          
				
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Product code  ：NYKM2：Thermo -magnetic  Molded  Case Circuit  Breaker 
            
											
            Casing grade：63A、100A、225A、 250A、400A、630A、800A、1250A  
            
											
            Breaking  capacity           ：L:Basic type、M:Standard  type、 H:High breaking type
            
											
            Operation  mode：Z:Manual operation、P:Electric operation、None: Direct operation
            
											
            Pole No.：3：3 pole、4：4 pole      
            
											
            Type of  tripping device：2：Electro-magnetic type 、3：Thermo-magnetic type 、0：No trip
            
											
            Accessory  code：Refers to  accessory  table
            
											
            Application  code：2:Motor protection 、None: Power distribution protection
            
											
            N-pole code：A:No overcurrent protection, N pole is always switched on、B:No overcurrent protection, N pole is switched on and off with other three pole、C:With overcurrent protection, N pole is switched on and off with other three pole、D:With overcurrent protection, N pole is always switched on
            
											
            Rated current：10A、16A、20A、25A 、32A、40A 、50A、63A、0A、100A、125A、140A 、160A、180A、200A、225A、250A、315A、350A、400A 、630A、700A、800A、1000A、1250A
            
											
            Installation  method：Fixed wiring at front panel.、Fixed wiring at rear panel.、Plug-in wiring at front panel.、Plug-in wiring at rear panel.、Withdrawable wiring at front panel.、Withdrawable wiring at rear panel .
            
										
            
									
            • 
								
          
							
          
						
          
					
            
				
          
				
          Note: ?   Overload alarm non-tripping device (code 3200I,4200I) is applicable to NYKM2 series molded case circuit breaker 100, 225, 250, 400, 630 housing. However, all specifications of four-pole  circuit breaker of NYKM2 series with the neutral type C and D type do None overload alarm non-tripping function.Standard inter-phase spacer.
          ?  Standard inter-phase spacer.
          
				
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Product code  ：NYKM2L Series Leakage Molded Case Circuit Breaker
            
											
            Casing grade：125A、250A、400A、630A
            
											
            Breaking  capacity           ：M:Standard  type、 H:High breaking type
            
											
            Operation  mode：Z:Manual operation、P:Electric operation、None: Direct operation
            
											
            Pole No.：3：3 pole、4：4 pole      
            
											
            Type of  tripping device：2：Electro-magnetic type 、3：Thermo-magnetic type 
            
											
            Accessory  code：Refers to  accessory  table
            
											
            Application  code：2:Motor protection 、None: Power distribution protection
            
											
            N-pole code：A:No overcurrent protection, N pole is always switched on、B:No overcurrent protection, N pole is switched on and off with other three pole、C:With overcurrent protection, N pole is switched on and off with other three pole、D:With overcurrent protection, N pole is always switched on
            
											
            Rated current：16A、20A、25A 、32A、40A 、50A、63A、0A、100A、125A、140A 、160A、180A、200A、225A、250A、315A、350A、400A 、630A
            
											
            Residual  current ：100/300/500mA/ 300/500/1000mA
            
											
            Relay type：Relay type   、Non-relay type           
            
											
            Installation  method：Fixed wiring at front panel.、Fixed wiring at rear panel.、Plug-in wiring at front panel.、Plug-in wiring at rear panel.、Withdrawable wiring at front panel.、Withdrawable wiring at rear panel .
            
										
            
									
            • 
								
          
							
          
						
          
					
            
				
          
				
          注：?   I: Indicates that the leakage alarm module sends out a signal and the circuit breaker is tripped at the same time.
          II: Indicates that the leakage alarm module sends out a signal and the circuit breaker is not tripped. 
          ?  Standard inter-phase spacer
          
				
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Product code：NYKM2E:  Electronic   Molded  Case Circuit  Breaker
            
											
            Casing grade：100A、225A、250A、400A、800A
            
											
            Breaking  capacity：M:Standard  type、 H:High breaking type
            
											
            Operation  mode：Z:Manual operation、P:Electric operation、None: Direct operation
            
											
            Pole No.：3：3 pole、4：4 pole      
            
											
            Type of  tripping  device：4：Electronic display
            
											
            Accessory  code：Refers to  accessory  table
            
											
            Application  code：2:Motor protection 、None: Power distribution protection
            
											
            N-pole code：A:No overcurrent protection, N pole is always switched on、B:No overcurrent protection, N pole is switched on and off with other three pole、C:With overcurrent protection, N pole is switched on and off with other three pole、D:With overcurrent protection, N pole is always switched on
            
											
            Rated current：32A、63A、100A、225A、250A、400A 、630A、800A
             
											
            Installation  method：Fixed wiring at front panel.、Fixed wiring at rear panel.、Plug-in wiring at front panel.、Plug-in wiring at rear panel.、Withdrawable wiring at front panel.、Withdrawable wiring at rear panel .
            
										
            
									
            • 
								
          
							
          
						
          
					
            
				
          
				
          注：?  ：Note: Overload alarm non-tripping module (code 3400I, 4400I) is applicable for NYKM2E series molded case circuit breakers; 100, 225, 250, 400, 800 housing can be equipped with alarm non-tripping module.
          
			    
          ?   Standard inter-phase spacer
          
				
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Product code  ：NYKM3：Thermo -magnetic  Molded  Case Circuit  Breaker 
            
											
            Casing grade：63A、125A、250A、400A 630A、800A
            
											
            Breaking  capacity           ：M:Standard  type、 H:High breaking type、H:High breaking type
            
											
            Operation  mode：Z:Manual operation、P:Electric operation、None: Direct operation
            
											
            Pole No.：3：3 pole、4：4 pole      
            
											
            Type of  tripping device：2：Electro-magnetic type 、3：Thermo-magnetic type 、0：No trip
            
											
            Accessory  code：Refers to  accessory  table
            
											
            Application  code：2:Motor protection 、None: Power distribution protection
            
											
            N-pole code：A:No overcurrent protection, N pole is always switched on、B:No overcurrent protection, N pole is switched on and off with other three pole、C:With overcurrent protection, N pole is switched on and off with other three pole、D:With overcurrent protection, N pole is always switched on
            
											
            Rated current：16A、20A、25A 、32A、40A 、50A、63A、0A、100A、125A、140A 、160A、180A、200A、225A、250A、315A、350A、400A 、630A、700A、800A
             
											
            Installation  method：Fixed wiring at front panel.、Fixed wiring at rear panel.、Plug-in wiring at front panel.、Plug-in wiring at rear panel.、Withdrawable wiring at front panel.、Withdrawable wiring at rear panel .
            
										
            
									
            • 
								
          
							
          
						
          
					
            
				
          
				
          注：?  Note: Overload alarm non-tripping device (code 3200I,4200I) is applicable to NYKM3 series molded case circuit breaker 100, 225, 250, 400, 630 housing. However, all specifications of four-pole circuit breaker of NYKM3 series with the neutral type C and D type do None overload alarm non-tripping function.
			    
          ?  Standard inter-phase spacer.
          
				
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
          • 
										
            
											
            Product code  ：NYKM3L ：Series Leakage  Molded Case Circuit Breaker
            
											
            Casing grade：125A、250A、400A、800A
            
											
            Breaking  capacity           ：M:Standard  type、 H:High breaking type
            
											
            Operation  mode：Z:Manual operation、P:Electric operation、None: Direct operation
            
											
            Pole No.：3：3 pole、4：4 pole      
            
											
            Type of  tripping device：2：Electro-magnetic type 、3：Thermo-magnetic type 
            
											
            Accessory  code：Refers to  accessory  table
            
											
            Application  code：2:Motor protection 、None: Power distribution protection
            
											
            N-pole code：A:No overcurrent protection, N pole is always switched on、B:No overcurrent protection, N pole is switched on and off with other three pole、C:With overcurrent protection, N pole is switched on and off with other three pole、D:With overcurrent protection, N pole is always switched on
            
											
            Rated current：16A、20A、25A 、32A、40A 、50A、63A、0A、100A、125A、140A 、160A、180A、200A、225A、250A、315A、350A、400A 、630A、700A、800A
            
											
            Residual  current ：100/300/ 500mA、 300/500/1000mA
            
											
            Relay type：Relay type   、Non-relay type   
            
											
            Installation  method：Fixed wiring at front panel.、Fixed wiring at rear panel.、Plug-in wiring at front panel.、Plug-in wiring at rear panel.、Withdrawable wiring at front panel.、Withdrawable wiring at rear panel .
            
										
            
									
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          Note: ?    I: Indicates that the leakage alarm module sends out a signal and the circuit breaker is tripped at the same time.
			    
          ?    II: Indicates that the leakage alarm module sends out a signal and the circuit breaker is not tripped. 
          ?    Standard inter-phase spacer
          
				
          
					
          
						
          
							
          
								
							
          
						
          
						
          
							
          
								
            
									
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            Product code  ：NYKM3E:  Electronic Molded  Case Circuit  Breaker
            
											
            Casing grade：125A、250A、400A、630A、800A
            
											
            Breaking  capacity           ：L:Basic type、M:Standard  type、 H:High breaking type
            
											
            Operation  mode：Z:Manual operation、P:Electric operation、None: Direct operation
            
											
            Pole No.：3：3 pole、4：4 pole      
            
											
            Type of  tripping device：4：Electronic display
            
											
            Accessory  code：Refers to  accessory  table
            
											
            Application  code：2:Motor protection 、None: Power distribution protection
            
											
            N-pole code：A:No overcurrent protection, N pole is always switched on、B:No overcurrent protection, N pole is switched on and off with other three pole、C:With overcurrent protection, N pole is switched on and off with other three pole、D:With overcurrent protection, N pole is always switched on
            
											
            Rated current：125A、250A、400A、630A、800A
            
											
            Installation  method：Fixed wiring at front panel.、Fixed wiring at rear panel.、Plug-in wiring at front panel.、Plug-in wiring at rear panel.、Withdrawable wiring at front panel.、Withdrawable wiring at rear panel .
            
										
            
									
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          Note:?     Overload alarm non-tripping module (code 3400I, 4400I) is applicable for NYKM3E series molded case circuit breakers; 100, 225, 250, 400, 800 housing can be equipped with alarm non-tripping module.
          ?   Standard inter-phase spacer
          
			
          
		
          
        
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