Fast Vacuum Circuit Breakers
Home Products Vacuum ContactorFast Vacuum Circuit Breakers
The Greegoo GRH-12 12kV High-Speed Vacuum Circuit Breaker features an eddy current drive, achieving opening times of less than 5ms and a mechanical life of 30,000 operations. Designed to seamlessly replace standard VS1 breakers, it offers precise action and high three-phase synchronicity. Specifically engineered for terminal loads like transformers and motors, it rapidly clears faults to protect equipment and prevent nuisance tripping. Ideal for industrial, commercial, renewable energy, and grid retrofits, it provides high-efficiency protection and worry-free maintenance.
- GRH: Greegoo's High-Speed/Fast Vacuum Circuit Breaker series
- 12: Represents the Rated Voltage of 12 kV.
- 630: Indicates the Rated Current of 630 A; 1250: Indicates the Rated Current of 1250 A.
- 20: Denotes the Rated Short-Circuit Breaking Current of 20 kA (the maximum fault current the breaker can safely interrupt); 25: 25kA; 31.5: 31.5KA
- F: Stands for Fixed Type; D: Stands for Draw-out Type
GRH-12-630/20F High Speed VCB
12KV 630A 20kA fixed type high speed vacuum circuit breakers
GRH-12-630/25F High Speed VCB 12kV
12KV 630A 25kA fixed type high speed vacuum circuit breaker
GRH-12-630/31.5F High Speed VCB
12KV 630A 31.5kA fixed type high speed vacuum circuit breaker
GRH-12-630/20D Fast Vacuum Circuit Breaker
12KV 630A 20kA draw-out type fast vacuum circuit breaker
GRH-12-630/25D Fast Vacuum Circuit Breaker
12KV 630A 25kA draw-out type fast vacuum circuit breaker
GRH-12-630/31.5D Ultra Fast VCB
12KV 630A 31.5kA draw-out type fast vacuum circuit breaker
GRH-12-1250/20F High Speed VCB 12kV
12KV 1250A 20kA fixed type high speed vacuum circuit breaker
GRH-12-1250/25F High Speed VCB
12KV 1250A 25kA fixed type high speed vacuum circuit breaker
GRH-12-1250/31.5F High Speed VCB
12KV 1250A 31.5kA fixed type high speed vacuum circuit breaker
GRH-12-1250/20D Fast acting VCB
12KV 1250A 20kA draw-out type fast acting vacuum circuit breaker
GRH-12-1250/25D Fast-acting VCB
12KV 1250A 25kA draw-out type fast acting vacuum circuit breaker
GRH-12-1250/31.5D Fast-acting VCB (opening time less than 5ms)
12KV 1250A 31.5kA draw-out type fast acting vacuum circuit breaker
Dimensions of the Fast VCB:
