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
QCGFT1025W1	Limited Stock From Get Price	Cutler Hammer	25	120
QCGFT1025W2	Limited Stock From Get Price	Cutler Hammer	25	120
QCH3015	Limited Stock From Get Price	Square D	15	120
QCH3020	Limited Stock From Get Price	Square D	20	120
QCH3025	Limited Stock From Get Price	Square D	25	120
QCH3030	Limited Stock From Get Price	Square D	30	120
QCH3035	Limited Stock From Get Price	Square D	35	120
QCH3040	Limited Stock From Get Price	Square D	40	120
QCH3050	Limited Stock From Get Price	Square D	50	120
QCH3060	Limited Stock From Get Price	Square D	60	120
QCH3070	Limited Stock From Get Price	Square D	70	120
QCH3090	Limited Stock From Get Price	Square D	90	120
QCH3100	Limited Stock From Get Price	Square D	100	120
QCHGFT1025	Limited Stock From Get Price	Cutler Hammer	25	120
QCHGFT1030	Limited Stock From Get Price	Cutler Hammer	30	120
QCR2035P	Limited Stock From Get Price	Cutler Hammer	35	240
QCR2045HT	Limited Stock From Get Price	Cutler Hammer	45	240
QCR2055P	Limited Stock From Get Price	Cutler Hammer	55	240
QD3-B030	Limited Stock From Get Price	ITE	30	240
QD3-B050	Limited Stock From Get Price	ITE	50	240
QD3-B060	Limited Stock From Get Price	ITE	60	240
QD3-B070	Limited Stock From Get Price	ITE	70	240
QF1B030	Limited Stock From Get Price	Siemens	30	120
QF23030	Limited Stock From Get Price	Siemens	30	240

1
...
18,209
18,210
18,211
...
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.