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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
QOU320VH	In Stock From $139^.89	Square D	20	240
QOU325	In Stock From $82^.93	Square D	25	240
QOU330	In Stock From $198^.12	Square D	30	240
QOU330VH	In Stock From $260^.03	Square D	30	240
QOU335	In Stock From $191^.93	Square D	35	240
QOU340	In Stock From $266^.18	Square D	40	240
QOU345	In Stock From $208^.20	Square D	45	240
QOU380	In Stock From $307^.31	Square D	80	240
QOU390	In Stock From $316^.10	Square D	90	240
QS2150HH	In Stock From $534^.82	Siemens	150	240
QT1-1515	In Stock From $24^.10	Siemens	15	240
QT1-2020	In Stock From $99^.88	Siemens	20	240
RC3820	In Stock From $52^.72	Zinsco	20	240
RD316T33W	In Stock From $7,526^.30	Eaton	1600	600
RD320T36W	In Stock From $13,111^.87	Westinghouse	2000	600
RD325T33W	In Stock From $7,691^.91	Eaton	2500	600
RD325T36W	In Stock From $7,691^.91	Eaton	2500	600
RDC316T33W	In Stock From $6,004^.36	Eaton	1600	600
RDC320T33W	In Stock From $9,088^.65	Cutler Hammer	2000	600
RGA36100CU31A	In Stock From $14,655^.49	Square D	1000	600
RGF36160	In Stock From $15,489^.51	Square D	1600	600
RGF36160CU33A	In Stock From $19,800^.36	Square D	1600	600
RGF36160U44A	In Stock From $8,424^.00	Square D	1600	600
RGH320032E	In Stock From $14,442^.24	Eaton	2000	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.