For utilities, proper protection against high voltage transient overvoltages and overloads is critical to ensure maximum life of their power transformers. Failure to do so can result in significant ...

A circuit breaker that trips repeatedly is often assumed to be defective, but that assumption is frequently wrong. Breakers respond to conditions downstream, and replacing one without understanding ...

What distinguishes a medium voltage circuit breaker from other types is not the enclosure or operating mechanism, but the method of arc extinction. The interruption medium governs arc energy, ...

The Susol UL Air Circuit Breaker (ACB) has a rated short-circuit capability of up to 130kA at 508 Vac and ratings up to 6000A ...