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Molded Case Circuit Breaker

Schneider Electric

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Molded Case Circuit Breaker

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Schneider Electric

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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
NJNLE36000S40	Limited Stock From Get Price	Square D	400	690
NJNLE36000S63	Limited Stock From Get Price	Merlin Gerin	630	690
NJNLE36150E20	Limited Stock From Get Price	Merlin Gerin	150	690
NJNLE36250E20	Limited Stock From Get Price	Square D	250	690
NJNLE36400E20	Limited Stock From Get Price	Merlin Gerin	400	690
NJNLE36630E20	Limited Stock From Get Price	Merlin Gerin	630	690
NJNLE46000S40	Limited Stock From Get Price	Square D	400	690
NJNLE46000S63	Limited Stock From Get Price	Merlin Gerin	630	690
NJNLE46150E20	Limited Stock From Get Price	Merlin Gerin	150	690
NJNLE46250E20	Limited Stock From Get Price	Square D	250	690
NJNLE46630E20	Limited Stock From Get Price	Square D	630	690
PKF36120U44ARD10	Limited Stock From Get Price	Square D	1200	600
PKF36120U44ARE10	Limited Stock From Get Price	Schneider Electric	1200	600
QBA220703	Limited Stock From Get Price	Square D	70	240
QBA220705	Limited Stock From Get Price	Square D	70	240
QBA220706	Limited Stock From Get Price	Square D	70	240
QBA220803	Limited Stock From Get Price	Square D	80	240
QBA220804	Limited Stock From Get Price	Square D	80	240
QBA220805	Limited Stock From Get Price	Square D	80	240
QBA220806	Limited Stock From Get Price	Square D	80	240
QBA220903	Limited Stock From Get Price	Square D	90	240
QBA220904	Limited Stock From Get Price	Square D	90	240
QBA220905	Limited Stock From Get Price	Square D	90	240
QBA220906	Limited Stock From Get Price	Square D	90	240

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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.