VPN intelligent solid-insulation-embedded pole vacuum circuit breaker
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
