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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
EF3H050	In Stock From $153^.39	Siemens	50	600
EF3L050	In Stock From $510^.00	Siemens	50	600
EH1B020	In Stock From $19^.86	Siemens	20	277
EH1B030	In Stock From $44^.00	Siemens	30	277
EH1B040	In Stock From $146^.53	Siemens	40	277
EH1B050	In Stock From $63^.08	Siemens	50	277
EH2B015	In Stock From $216^.56	ITE	15	480
EH2B020	In Stock From $224^.23	ITE	20	480
EH2B040	In Stock From $421^.43	Siemens	40	480
EH2B050	In Stock From $846^.48	ITE	50	480
EH2B070	In Stock From $747^.50	ITE	70	480
EH3A003L	In Stock From $400^.56	ITE	3	480
EH3B015	In Stock From $175^.20	Siemens	15	480
EH3B020	In Stock From $171^.50	Siemens	20	480
EH3B030	In Stock From $276^.19	Siemens	30	480
EH3B035	In Stock From $840^.32	Siemens	35	480
EH3B040	In Stock From $405^.96	Siemens	40	480
EH3B050	In Stock From $558^.92	Siemens	50	480
EH3B060	In Stock From $1,557^.49	ITE	60	480
EH3B070	In Stock From $859^.63	Siemens	70	480
EH3B090	In Stock From $1,585^.52	ITE	90	480
EH3B100	In Stock From $1,184^.23	Siemens	100	480
EH3M015	In Stock From $41^.12	Siemens	15	480
EH3S150	In Stock From $774^.07	ITE	150	480

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.