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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
ITEQ340	Limited Stock From Get Price	Siemens	40	240
ITEQ350	Limited Stock From Get Price	ITE	50	240
ITEQ360	Limited Stock From Get Price	Siemens	60	240
ITEQ370	Limited Stock From Get Price	ITE	70	240
ITEQ380	Limited Stock From Get Price	Siemens	80	240
ITEQ390	Limited Stock From Get Price	ITE	90	240
JFC3M350	Limited Stock From Get Price	Siemens	350	415
KL3B150	Limited Stock From Get Price	Siemens	150	600
KL3B200	Limited Stock From Get Price	Siemens	200	600
LGB3K040	Limited Stock From Get Price	Siemens	40	600
LGB3K060	Limited Stock From Get Price	Siemens	60	600
LGG3B045	Limited Stock From Get Price	Siemens	45	600
NGB3K020	Limited Stock From Get Price	Siemens	20	600
Q2150	Limited Stock From Get Price	Siemens	150	240
QP140	Limited Stock From Get Price	Siemens	40	240
QPMH2200H	Limited Stock From Get Price	Siemens	200	240
SHK3N300	Limited Stock From Get Price	Siemens	300	600
SHND6B100LSIGH	Limited Stock From Get Price	Siemens	1000	600
W275	Limited Stock From Get Price	Siemens	75	240
3VA2063-5HL32-0AA0	Limited Stock From Get Price	Siemens	-	-
3VA2116-7JP32-0AA0	Limited Stock From Get Price	Siemens	-	-
3VA2163-5HN32-0AA0	Limited Stock From Get Price	Siemens	-	-
3VA2325-5KP32-0AA0	Limited Stock From Get Price	Siemens	-	-
3VA4170-6ED34-0AAO	Limited Stock From Get Price	Siemens	125	-

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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.