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Molded Case Circuit Breaker

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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
EF2B100L	In Stock From $273^.18	ITE	100	600
EF2H050	Limited Stock From Get Price	ITE	50	600
EF2S100	In Stock From $121^.21	Siemens	100	600
EF3A003	In Stock From $84^.13	Siemens	3	600
EF3A003L	In Stock From $403^.12	ITE	3	600
EF3A003Z	In Stock From $42^.83	ITE	3	600
EF3A005	In Stock From $83^.70	Siemens	5	600
EF3A005L	In Stock From $353^.69	ITE	5	600
EF3A010L	In Stock From $351^.46	ITE	10	600
EF3A015	In Stock From $325^.48	ITE	15	600
EF3A015L	In Stock From Get Price	Siemens	15	600
EF3A020	In Stock From $345^.60	ITE	20	600
EF3A020L	In Stock From $348^.55	Siemens	20	600
EF3A025L	In Stock From $349^.30	Siemens	25	600
EF3A030	In Stock From $385^.00	Siemens	30	600
EF3A030L	In Stock From $351^.95	Siemens	30	600
EF3A040	In Stock From $330^.64	ITE	40	600
EF3A040L	In Stock From $372^.78	ITE	40	600
EF3A050	In Stock From $736^.72	Siemens	50	600
EF3A050L	In Stock From $456^.40	Siemens	50	600
EF3A060L	In Stock From $393^.74	ITE	60	600
EF3A070	In Stock From $531^.64	ITE	70	600
EF3A070L	In Stock From $496^.63	Siemens	70	600
EF3A080L	In Stock From $583^.53	ITE	80	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.