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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
LGG3B100L	In Stock From $510^.33	Siemens	100	600
LGG3B125L	In Stock From $659^.01	Siemens	125	600
LJ63B600	In Stock From $1,287^.62	ITE	600	600
MBK225	In Stock From $269^.11	Siemens	225	240
MBKED3125	In Stock From $5,040^.95	Siemens	125	480
MBKQJ1200	In Stock From $938^.92	Siemens	200	240
MBKQJ3	In Stock From $538^.14	Siemens	-	600
MBKQJ3200	In Stock From $1,900^.73	Siemens	200	240
MQJ3125	In Stock From $415^.69	Murray	125	240
P1520	In Stock From $78^.06	Siemens	20	120
P2020	In Stock From $105^.69	Siemens	20	120
Q11500S01	In Stock From $126^.90	Siemens	15	120
Q120AFCNL	In Stock From $51^.99	Siemens	20	240
Q120AFH	In Stock From $112^.64	Siemens	20	240
Q13000S01	In Stock From $130^.09	Siemens	30	120
Q15	In Stock From $17^.66	Siemens	15	120
Q2040	In Stock From $46^.67	Siemens	40	240
Q2110H	In Stock From $152^.88	Siemens	110	240
Q2125BH	In Stock From $198^.82	Siemens	125	240
Q2150BH	In Stock From $239^.54	Siemens	150	240
Q2150BHH	In Stock From $224^.50	Siemens	150	240
Q21515	In Stock From $24^.82	Siemens	15	240
Q21515CT	In Stock From $38^.31	Siemens	15	240
Q2175B	In Stock From $152^.75	Siemens	175	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.