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Molded Case Circuit Breaker

Cutler Hammer

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Molded Case Circuit Breaker

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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.

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Part Number	PRICE	Manufacturer	Amperage	Voltage
FB3040PF	In Stock From $480^.73	Westinghouse	40	600
FB3040S	In Stock From $576^.96	Westinghouse	40	600
FB3045	In Stock From $120^.41	Cutler Hammer	45	600
FB3045ML	In Stock From $166^.25	Westinghouse	5	600
FB3045MRL	In Stock From $3^.12	Cutler Hammer	5	600
FB3045SMRL	In Stock From $220^.35	Cutler Hammer	5	600
FB3050PF	In Stock From $284^.41	Westinghouse	50	600
FB3050S	In Stock From $284^.41	Westinghouse	50	600
FB3050V	In Stock From $280^.41	Westinghouse	50	600
FB3060S	In Stock From $416^.44	Cutler Hammer	60	600
FB3070L	In Stock From $199^.57	Cutler Hammer	70	600
FB3070PF	In Stock From $404^.96	Westinghouse	70	600
FB3070S	In Stock From $160^.08	Westinghouse	70	600
FB3080	In Stock From Get Price	Cutler Hammer	80	600
FB3080L	In Stock From $459^.49	Westinghouse	80	600
FB3090PF	In Stock From $540^.04	Westinghouse	90	600
FB3090S	In Stock From $265^.68	Cutler Hammer	90	600
FB3100N	In Stock From $228^.18	Cutler Hammer	100	600
FB3100SN	In Stock From $266^.00	Cutler Hammer	100	600
FB3150L	In Stock From $355^.24	Eaton	150	600
FB31550ML	In Stock From $162^.32	Westinghouse	100	600
FB31550MRL	In Stock From $281^.02	Eaton	100	600
FB3190ML	In Stock From $77^.86	Westinghouse	25	600
FB3190MRL	In Stock From $231^.62	Westinghouse	25	600

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Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.

Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.