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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
HDX4B150L	Limited Stock From Get Price	Siemens	150	600
HED41B020NAV	Limited Stock From Get Price	Siemens	20	277
HED41B025NAV	Limited Stock From Get Price	Siemens	25	277
HED41B030NAV	Limited Stock From Get Price	Siemens	30	277
HED41B035NAV	Limited Stock From Get Price	Siemens	35	277
HED41B045NAV	Limited Stock From Get Price	Siemens	45	277
HED41B050NAV	Limited Stock From Get Price	Siemens	50	277
HED41B060NAV	Limited Stock From Get Price	Siemens	60	277
HED41B070NAV	Limited Stock From Get Price	Siemens	70	277
HED41B080NAV	Limited Stock From Get Price	Siemens	80	277
HED41B090NAV	Limited Stock From Get Price	Siemens	90	277
HED41B100NAV	Limited Stock From Get Price	Siemens	100	277
HED42B025NAV	Limited Stock From Get Price	Siemens	25	480
HED42B035NAV	Limited Stock From Get Price	Siemens	35	480
HED42B045NAV	Limited Stock From Get Price	Siemens	45	480
HED42B060NAV	Limited Stock From Get Price	Siemens	60	480
HED42B070NAV	Limited Stock From Get Price	Siemens	70	480
HED42B080NAV	Limited Stock From Get Price	Siemens	80	480
HED42B090NAV	Limited Stock From Get Price	Siemens	90	480
HED42B100NAV	Limited Stock From Get Price	Siemens	100	480
HED42B110NAV	Limited Stock From Get Price	Siemens	110	480
HED42B125NAV	Limited Stock From Get Price	Siemens	125	480
HEG1B015	Limited Stock From Get Price	Siemens	15	600
HEG1B015B	Limited Stock From Get Price	Siemens	15	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.