Main features of the products

• Design, testing, and production fully in accordance with the technical requirements in the tendering documents of the State Grid
• The passivation surface treatment process of zinc-cobalt alloy hexavalent chromium in Malaysia is introduced;
• Salt spray test up to 300 hours for the mechanism, 10 times that for the normal product
• The copper-based high-pressure oil-free bearings imported from German are used to achieve self-lubrication of drive mechanism

Main Technical Parameters

• Rated voltage: 12kV
• Rated current: 630-4000A
• Rated short-circuit breaking: 20-40kA
• Short-circuit breaking times: 20-30 times
• Mechanism life: 30,000 cycles
• Altitude: 1,000m

Configuration

• Mechanism: Modular spring operating mechanism
• Vacuum interrupters: Cooperative Products
• Insulation: Solid-insulation-embedded pole
• On-line monitoring: Standard

Place of use

• Critical Class I loads with extremely high requirements