Molded Case Circuit Breaker Frame Sizes

Series g molded case circuit breaker.

Molded case circuit breaker frame sizes.

Eaton offers the widest variety of molded case circuit breakers available today. P frame square d molded case circuit breakers are rated up to 1200a and 600vac and interrupt excessive current flows to protect devices from electrical damage. Trip elements trip the operating mechanism of a circuit breaker during either a prolonged overload or a short circuit current. The 3va range of molded case circuit breakers provides ul frame sizes covering 125a to 1000a with the 3va5 thermal magnetic trip unit and 3va6 electronic trip unit models as well as iec frame sizes covering 100a to 630a with the 3va1 and 3va2 models.

There are six frame sizes available. The maximum setting is established by protection of the minimum conductor size in the circuit. Eaton s globally accepted series g 15 2500 amperes for ul csa and iec applications. 100 225 400 600 800 and 2 000 amps.

Eaton series g molded case circuit breakers provide increased performance in considerably less space than standard circuit breakers or comparable fusible devices. The size contact rating and current interrupting ratings are the same for all circuit breakers of a given frame size. Some molded case circuit breakers have a screwdriver slot located on the front of the trip unit used for adjusting sensitivity.