Indoor high-voltage vacuum circuit breaker
- 产品描述
-
The NXV1-12 series indoor high-voltage vacuum circuit breaker is a three-phase AC 50 Hz device with a rated voltage of 12 kV, suitable for switching various types of loads and for frequent operation applications. It can be used for the protection and control of electrical facilities in industrial and mining enterprises, power plants, and substations. The circuit breaker adopts an integrated design with the operating mechanism and the circuit breaker body. It can be used as a fixed-mounted unit or equipped with a dedicated withdrawal mechanism to form a manually operated unit.
Model
Rated current
A
Rated short-circuit breaking current
KA
Rated short-circuit making current (peak)
KA
Rated short-circuit duration
S
Number of operations at rated short-circuit breaking current
NXV1-12/630-20
630
20/25
50/63
4
50
NXV1-12/1250-20
1250
NXV1-12/1250-31.5
1250
31.5
80
50
NXV1-12/1600-31.5
1600
NXV1-12/2000-31.5
2000
NXV1-12/2500-31.5
2500
NXV1-12/1250-40
1250
40
100
50
NXV1-12/1600-40
1600
NXV1-12/2000-40
2000
NXV1-12/2500-40
2500
NXV1-12/3150-40
3150
Above mentioned parameter are only for reference, Hosun is able to design products according to specific requirements from end users.
Keywords:
Indoor high-voltage vacuum circuit breaker















