Nader Circuit Breaker

Rated breaking current: it is characterized by the ability of the circuit breaker parameters. At rated voltage, the maximum current of the circuit breaker to ensure reliable breaking called rated breaking current, short-circuit current instant number kA rms periodic component separation unit which re...

Under normal circumstances can be understood in different circuit breakers and less oil and more oil circuit breaker literally, that is, oil circuit breaker interrupter more oil, less oil and less oil circuit breaker interrupter. Whether oil circuit breaker or less oil circuit breakers, there are oil...

The most commonly used circuit breaker protection to achieve selective short circuit protection is the short delay protection, note the following: 1. minimize the delay time in the premise to meet the selectivity, the delay time of the circuit breaker should be shortened as much as possible . Because...

Low voltage circuit breaker low voltage circuit breaker (Breaker) also called air circuit breaker, shown in Figure 1, is the control and protection functions in one appliance. It is often as infrequent main power switch on and off the power switch or circuit parts of the circuit, and the like when ex...

Why should the circuit breaker be derated and used? First of all, when the operating environment temperature of the circuit breaker is greater than the specified value, it needs to be derated. It is generally specified as 40C (the temperature exceeds 65C during motor protection). Under what circumsta...