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
BLHF2	Limited Stock From Get Price	Siemens	20	120
BQ2100	Limited Stock From Get Price	Sylvania	100	240
BQ220	Limited Stock From Get Price	Sylvania	20	240
BQ230	Limited Stock From Get Price	Sylvania	30	240
BQ250	Limited Stock From Get Price	Sylvania	50	240
BQ2B070QXD	Limited Stock From Get Price	Siemens	-	240
BQ2B080QXD	Limited Stock From Get Price	Siemens	-	240
BQ2B090QXD	Limited Stock From Get Price	Siemens	-	240
BQ2B100QXD	Limited Stock From Get Price	Siemens	-	240
BQL2135	Limited Stock From Get Price	Commander	135	240
BR115GFI	Limited Stock From Get Price	Westinghouse	15	120
BR1520CS	Limited Stock From Get Price	Westinghouse	20	120
BR3100NA	Limited Stock From Get Price	Bryant	100	240
BR450	Limited Stock From Get Price	Cutler Hammer	50	240
BRHH135	Limited Stock From Get Price	Cutler Hammer	35	240
BRHH225	Limited Stock From Get Price	Cutler Hammer	25	240
BRHH3110	Limited Stock From Get Price	Cutler Hammer	110	240
BRHH3125	Limited Stock From Get Price	Cutler Hammer	125	240
BRHH320	Limited Stock From Get Price	Cutler Hammer	20	240
BRHH325	Limited Stock From Get Price	Cutler Hammer	25	240
BRHH335	Limited Stock From Get Price	Cutler Hammer	35	240
BRHH340	Limited Stock From Get Price	Cutler Hammer	40	240
BRHH370	Limited Stock From Get Price	Cutler Hammer	70	240
BRHH380	Limited Stock From Get Price	Cutler Hammer	80	240

1
...
18,164
18,165
18,166
...
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.