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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
B345HH	In Stock From $186^.20	Siemens	45	240
B345HH00S01	In Stock From $180^.85	Siemens	45	240
B350H00S01	In Stock From $175^.88	Siemens	50	240
B360HH00S01	In Stock From $441^.09	Siemens	60	240
B370H00S01	In Stock From $435^.25	Siemens	70	240
B370HH	In Stock From $182^.59	Siemens	70	240
B370HH00S01	In Stock From $528^.40	Siemens	70	240
B380H00S01	In Stock From $499^.71	Siemens	80	240
B380HH	In Stock From $261^.99	Siemens	80	240
B390H	In Stock From $248^.99	Siemens	90	240
B390H00S01	In Stock From $496^.18	Siemens	90	240
B390HH	In Stock From $566^.13	Siemens	90	240
BAB2080HT	In Stock From $124^.28	Eaton	80	240
BAB2110S	In Stock From $402^.50	Cutler Hammer	110	240
BQ1B035	In Stock From $49^.44	Siemens	35	120
CH145	In Stock From $17^.95	Cutler Hammer	45	120
015	In Stock From $38^.88	Federal Pacific	15	-
140MG-J8P-D17	In Stock From $2,428^.29	Allen-Bradley	175	600
140MG-J8P-D20	In Stock From $2,634^.80	Allen-Bradley	200	600
140MG-J8P-D22	In Stock From $1,982^.50	Allen-Bradley	225	600
140MG-J8P-D25	In Stock From $2,584^.39	Allen-Bradley	250	600
1489-A1C010	In Stock From $78^.52	Allen-Bradley	1	277
1489-A1C015	In Stock From $20^.69	Allen-Bradley	1.5	277
1489-A1C020	In Stock From $20^.07	Allen-Bradley	2	277

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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.