What does KA mean on a circuit breaker?

A circuit breaker is an automatically actuated electrical switch designed to protect an electrical circuit from damage caused by excessive current, usually resulting from an overload or a short circuit….

What is PSM in relay?

In the field of electrical engineering, a relay is a relay device designed to trip a switch when an error is detected. The first protection relays were electromagnetic devices based…

What is inverse time overcurrent relay?

At this type of relay, operating time depends on the amount of drive. If the amount of drive is very high, the relay operation is very fast. In other words,…

What is the current relay?

The current start relays are used for motors with fractional power, which require a low starting torque. Its main function is to help start the engine. The start and run…