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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
A15NI	In Stock From $24^.49	Wadsworth	15	120
A220NI	In Stock From $69^.61	Wadsworth	20	240
A230NI	In Stock From $105^.36	Wadsworth	30	240
A240NI	In Stock From $161^.80	Wadsworth	40	240
A215NI	In Stock From $116^.69	Wadsworth	15	240
A1515NI	In Stock From $117^.79	Wadsworth	15	120
A20NI	In Stock From $48^.31	Wadsworth	20	120
A270NI	In Stock From $325^.00	Wadsworth	70	240
A280NI	In Stock From $226^.56	Wadsworth	80	240
A290NI	In Stock From $280^.18	Wadsworth	90	240
A30NI	In Stock From $43^.81	Wadsworth	30	120
A3100	In Stock From $60^.60	Wadsworth	100	240
A370	In Stock From $112^.98	Wadsworth	70	240
A40NI	In Stock From $22^.25	Wadsworth	40	120
A50NI	In Stock From $51^.81	Wadsworth	50	120
A2020NI	Limited Stock From Get Price	Wadsworth	20	-
A390	In Stock From $275^.29	Wadsworth	90	240
A40N	In Stock From $18^.42	Wadsworth	40	240
A50N	In Stock From $30^.00	Wadsworth	50	240
A1530NI	In Stock From $8^.41	Wadsworth	30	120
A1540NI	In Stock From $9^.00	Wadsworth	40	120
A3100NI	In Stock From $120^.87	Wadsworth	-	-
A15N	In Stock From $3^.34	Wadsworth	-	-
A215215NI	In Stock From $9^.00	Wadsworth	-	-

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.