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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
MP330	In Stock From $159^.46	Siemens	30	240
MP380	In Stock From $82^.37	Murray Corporation	80	240
ND63F120	In Stock From $5,707^.24	Siemens	1200	600
NEB3B025B	In Stock From $1,323^.65	Siemens	25	600
NEB3B040B	In Stock From $933^.86	Siemens	40	600
NEF213030	In Stock From $49^.48	Federal Pacific	30	277
NGB3B015B	In Stock From $147^.23	Siemens	15	600
NGB3B025B	In Stock From $270^.26	Siemens	25	600
NGB3B045B	In Stock From $486^.42	Siemens	45	600
NGB3K060B	In Stock From $1,074^.47	Siemens	60	600
NGB3K100B	In Stock From $810^.81	Siemens	100	600
NGC312032EC	In Stock From $18,937^.74	Eaton	-	-
NMG3B600L	In Stock From $2,360^.00	Siemens	600	600
NXD63B120H	In Stock From $4,958^.66	Siemens	1200	600
PD63F160	In Stock From $4,295^.17	Siemens	1600	600
PGA36120U41A	In Stock From $9,787^.56	Square D	1200	600
PGL36100U41A	In Stock From $8,775^.50	Square D	1000	600
PGL36120U41A	In Stock From $9,211^.59	Square D	1200	600
PJA36080U63AE1YP	In Stock From $11,286^.00	Square D	800	600
PJA36120U44AYP	In Stock From $14,103^.38	Schneider Electric	1200	600
PLA34040U44ASA	In Stock From $6,285^.91	Square D	400	480
Q120DF	In Stock From $75^.69	Siemens	20	120
QA115AF	In Stock From $42^.74	Siemens	15	120
QA115AFC	In Stock From $73^.51	Siemens	15	120

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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.