Nader Circuit Breaker

Short-circuit breaker breaking capacity ≥ lines prospective short circuit current. Suppose a power supply (SL7 10 / 0.4kV transformer) capacity of 1600kVA, the secondary current of 2312A, short-circuit current which is at the outlet end of 5m 42.96kA. Is a rated current branch 125A, since this leg ...

1n rated current circuit breaker, refers to long-term through the current release, which is the rated current release. Maximum release was breaker trip unit with adjustable by the long term. Rated current 1n, refers to the maximum current release by the long-term. Long delay overload release operatin...

Thermal relay works heat is generated by the current flowing into the heating element, so that the bimetal has different coefficients of expansion is deformed when the deformation reaches a certain distance, the operation to push link, so that the control circuit is opened, so that the contact loss o...

The main reason for Ontripping: misoperation, the trip actuator itself, the electrical secondary circuit. 1. When Ontripping, should first check whether staff misuse. Staff misuse There are two cases: one is a mistake; the second is on the way back due to improper protection safeguards and causing ma...

Refused fault breaker closing process, must be able to distinguish between fault coverage, the process steps: bonding a first determines whether or not the circuit breaker due to the fault line Yufu trip meter indication may be caused by the presence or absence of short-circuit current closing operat...