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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
QPHW1030	In Stock From $36^.59	Eaton	30	240
QPHW1040	In Stock From $50^.81	Eaton	40	240
QPHW2040	In Stock From $189^.47	Eaton	40	240
QPHW2050	In Stock From $99^.46	Eaton	50	240
QPHW2060	In Stock From $171^.81	Eaton	60	240
QPHW3015H	In Stock From $168^.87	Cutler Hammer	15	240
QPHW3040H	In Stock From $177^.50	Cutler Hammer	40	240
QPHW3070H	In Stock From $419^.12	Eaton	70	240
QPHW3090H	In Stock From $309^.83	Cutler Hammer	90	240
QPHW3100H	In Stock From $745^.09	Cutler Hammer	100	240
REH1020	In Stock From $154^.55	Cutler Hammer	20	277
REH1090	In Stock From $46^.93	Cutler Hammer	90	277
REH1100	In Stock From $41^.70	Cutler Hammer	100	277
REH3020	In Stock From Get Price	Cutler Hammer	20	480
RF3020	In Stock From $209^.59	Westinghouse	20	600
RF3050	In Stock From $81^.97	Westinghouse	50	600
RGH316038E	In Stock From $12,373^.01	Eaton	1600	600
RGH316038EC	In Stock From $7,397^.46	Eaton	1600	600
RGH320039E	In Stock From $21,696^.78	Eaton	2000	600
WMZS1B06	In Stock From $20^.16	Cutler Hammer	6	480
WMZS1B08	In Stock From $13^.45	Eaton	8	480
WMZS1B15	In Stock From $7^.84	Cutler Hammer	15	480
WMZS1B16	In Stock From $18^.67	Cutler Hammer	16	480
WMZS1B63	In Stock From $27^.70	Eaton	63	480

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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.