Refine Results

In Stock

Applied Filters:

Molded Case Circuit Breaker

Subcategory

Molded Case Circuit Breaker

Manufacturers

All

Amperage

All

Voltage

All

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.

SORT BY

Part Number	PRICE	Manufacturer	Amperage	Voltage
MG24433	In Stock From $43^.70	Schneider Electric	13	240
MG24447	In Stock From $50^.72	Square D	6	240
MG24449	In Stock From $21^.89	Square D	10	240
MG24460	In Stock From $178^.52	Schneider Electric	2	240
MG24464	In Stock From $218^.39	Square D	6	240
MG24504	In Stock From $78^.86	Square D	6	240
MG24511	In Stock From $30^.32	Square D	32	240
MG24516	In Stock From $110^.29	Schneider Electric	1	240
MG24546	In Stock From $84^.62	Square D	63	240
MGF36300	In Stock From $1,776^.90	Square D	300	600
MGF36600	In Stock From $4,384^.22	Square D	600	600
MGL26800	In Stock From $7,906^.55	Schneider Electric	800	600
MGL36350	In Stock From $2,665^.56	Schneider Electric	350	600
MGL36450	In Stock From $4,384^.86	Schneider Electric	450	600
MGL36500AASA	In Stock From $3,071^.08	Square D	500	600
MGL36600SA	In Stock From $4,089^.68	Square D	600	600
MGM36800	In Stock From $1,877^.29	Schneider Electric	800	600
MGP36400	In Stock From $915^.52	Square D	400	600
MGP36500	In Stock From $4,687^.08	Square D	500	600
MGP36600	In Stock From $2,089^.01	Square D	600	600
MGP36700	In Stock From $7,081^.71	Schneider Electric	700	600
MH36300	In Stock From $1,474^.87	Square D	300	600
MH36350	In Stock From $2,742^.00	Square D	350	600
MH36400	In Stock From $3,859^.59	Square D	400	600

1
...
537
538
539
...
18,485

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.