Air Circuit Breaker Diagram. Thermal magnetic tripping units the thermomagnetic trip unit consists of two parts. Up to 405 kv 167 hz or 5060 hz 1 pole.
What is the purpose of a shunt trip circuit breaker the main purpose of a shunt trip breaker is that we can easily switch off main circuit breaker form our nearest place in short time and can safe us from electrical accidents. Outdoor ac railway vacuum circuit breaker fsk ii. Using 3wa air circuit breakers in the switchgear paves the way for an efficient retrofit of the 3wl air circuit breaker.
Up to 275 kv.
Voltage transformer connection for control and metering. Final words to wire a. Air circuit breaker acb is an electrical protection device used for short circuit and overcurrent protection up to 15kv with amperes rating of 800a to 10ka. This trip unit is intended for the protection against overloads.