Molded Case Circuit Breaker Frame Sizes

The maximum setting is established by protection of the minimum conductor size in the circuit.

Molded case circuit breaker frame sizes.

There are six frame sizes available. Molded case circuit breakers come in a wide range of sizes and current ratings. Designed for electrical and machinery oems serving a range of industries and applications these proven designs incorporate the latest in innovation with the high reliability that has been our hallmark since the advent of the circuit breaker in the 1920s. The size contact rating and current interrupting ratings are the same for all circuit breakers of a given frame size.

Eaton series g molded case circuit breakers provide increased performance in considerably less space than standard circuit breakers or comparable fusible devices. Some molded case circuit breakers have a screwdriver slot located on the front of the trip unit used for adjusting sensitivity. Series g molded case circuit breaker. 100 225 400 600 800 and 2 000 amps.

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.