Monday, March 19, 2012

Air Circuit Breaker

The most commonly used LVCB

Almost all the low voltage switch gears are equipped with ACBs

Has wide range of protections from Over current to under voltage

There are a number of releases available in the breaker

The releases are connected to relays based in the requirement. Say, for under voltage or earth-fault tripping

Arc quenching is done in the air. No special device is used here except provision for arc elongation

Air Circuit Breaker

Air Circuit Breaker

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