High -voltage switch cabinet

The utility model discloses a high -voltage switch cabinet includes, and the cabinet body has cable chamber, instrument room, bus -bar room and circuit breaker room in it, breaker assembly, its holding in the circuit breaker is indoor, breaker assembly has fixed guide, activity handcart and circuit breaker, wherein, fixed guide system extends along the fore -and -aft direction, the activity handcart has the handcart diapire and stands on handcart lateral wall on the handcart diapire, the action roller has on the handcart diapire, the action roller with fixed guide cooperatees, have on the handcart lateral wall the circuit breaker, and, buffer set spare, its holding in the circuit breaker is indoor, buffer set spare is in the rear end of activity handcart, buffer set spare has a fixed guide sleeve section of thick bamboo, activity guide block and buffer spring. The utility model has the advantages of: through the design of buffer set spare, instantaneous impact when reducing in the circuit breaker sound male c