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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
3VA5570-7EC32-0AA0	In Stock From $13,177^.00	Siemens	700	480
5SJ4102-8HG42	In Stock From $68^.69	Siemens	2	277
5SJ4318-7HG42	In Stock From $240^.49	Siemens	18	277
BQ1T020	In Stock From $26^.64	Siemens	20	120
BQD370SS	In Stock From $1,268^.41	Siemens	-	-
CJ2B150	In Stock From $2,808^.69	Siemens	150	600
CJ2B175	In Stock From $1,677^.00	Siemens	175	600
CJ2B200	In Stock From $1,901^.04	Siemens	200	600
CLE62B020	In Stock From $3^.63	Siemens	20	600
E22B035	In Stock From $109^.08	Siemens	35	240
E42B110	In Stock From $157^.97	ITE	110	480
E42B125	In Stock From $315^.55	ITE	125	480
E42S100	In Stock From $11^.11	ITE	100	480
E43S100	In Stock From $74^.59	ITE	100	480
E62B015	In Stock From $2^.56	Siemens	15	600
E62B020	In Stock From $110^.55	Siemens	20	600
E62B025	In Stock From $71^.95	ITE	25	600
E62B030	In Stock From $135^.82	Siemens	30	600
E62B035	In Stock From $75^.98	Siemens	35	600
E62B040	In Stock From $218^.58	ITE	40	600
E62B045	In Stock From $71^.33	Siemens	45	600
E62B050	In Stock From $174^.69	ITE	50	600
E62B060	In Stock From $124^.84	Siemens	60	600
E62B070	In Stock From $211^.50	ITE	70	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.