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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
LHL3640030DC1616	In Stock From $1,743^.05	Square D	400	500
LHL3640030DC1625	In Stock From $709^.68	Square D	400	600
LJA36250CU33XEBSAYH1	In Stock From $8,511^.15	Square D	250	600
LJL36600U31XSA	In Stock From $7,405^.79	Square D	600	600
LRM36600U31X	In Stock From $1,666^.67	Square D	600	600
MAP36500MT	In Stock From $5,243^.67	Square D	500	600
MAP36700MT	In Stock From $47^.45	Square D	700	600
MAP36700MT1212	In Stock From $44^.44	Square D	700	600
MG24451	In Stock From $33^.79	Square D	16	240
MG24453	In Stock From $55^.19	Square D	25	240
MG24455	In Stock From $142^.20	Schneider Electric	40	240
MGA36600YP	In Stock From $4,177^.62	Square D	600	600
MJA36300AB	In Stock From $2,261^.66	Square D	300	600
MJA36300YP	In Stock From $3,392^.48	Square D	300	600
MJA36350YP	In Stock From $4,357^.94	Schneider Electric	350	600
MJA36450YP	In Stock From $4,243^.06	Schneider Electric	450	600
MJA36500YP	In Stock From $2,919^.17	Square D	500	600
MJA36600AC	In Stock From $744^.24	Schneider Electric	600	600
MJA36700YP	In Stock From $4,013^.26	Square D	700	600
MJL36400SA	In Stock From $670^.00	Schneider Electric	400	600
PGA36100YP	In Stock From $3,402^.54	Square D	1000	600
PJA36060U44AYP	In Stock From $13,821^.59	Square D	600	600
PJA36080CU43AYP	In Stock From $13,571^.42	Schneider Electric	800	600
PJA36080CU44AE1YP	In Stock From $12,950^.76	Schneider Electric	800	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.