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
QPHW3015H	In Stock From $154^.05	Cutler Hammer	15	240
QPHW3060H	In Stock From $213^.08	Cutler Hammer	60	240
QPHW3070H	In Stock From $146^.69	Eaton	70	240
QPJ3200	In Stock From $870^.39	Siemens	200	240
QS2100	In Stock From $248^.84	Siemens	100	240
QS2100H	In Stock From $377^.48	Siemens	100	240
QS2125H	In Stock From $345^.80	Siemens	125	240
QT2-3020	In Stock From $68^.50	Siemens	20	240
R115	In Stock From $13^.29	General Electric	15	120
R120	In Stock From $12^.25	General Electric	20	120
R3840	In Stock From $51^.08	Zinsco	40	240
RC3815	In Stock From $20^.48	Zinsco	15	240
RC3850	In Stock From $40^.86	Zinsco	50	240
RC38AL-40	In Stock From $50^.47	Sylvania	40	240
RE1100	In Stock From $89^.43	Westinghouse	100	120
RE2080	In Stock From $240^.18	Westinghouse	80	240
RE2100	In Stock From $237^.56	Westinghouse	100	240
RE3020	In Stock From $110^.98	Westinghouse	20	240
RE3070	In Stock From $229^.50	Westinghouse	70	240
RE3100	In Stock From $430^.45	Cutler Hammer	100	240
REF2B090	In Stock From $752^.86	Miami Breaker	90	600
REF3B030	In Stock From $163^.34	Miami Breaker	30	600
REH1020	In Stock From $153^.34	Cutler Hammer	20	277
REH1100	In Stock From $52^.12	Cutler Hammer	100	277

1
...
687
688
689
...
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.