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
S203-K15	In Stock From $123^.09	ABB	15	480
S203-K2	In Stock From $28^.74	ABB	2	480
S203-K3	In Stock From $85^.19	ABB	3	480
S203-K30	In Stock From $124^.24	ABB	30	480
S203-K40	In Stock From $87^.20	ABB	40	480
S203-K50	In Stock From $298^.54	ABB	50	480
S203-K6	In Stock From $84^.30	ABB	6	480
S203-K8	In Stock From $83^.94	ABB	8	480
S262-B6	In Stock From $23^.06	ABB	6	400
S271-K10	In Stock From $14^.73	ABB	10	480
S803S-C125	In Stock From $852^.70	ABB	125	690
S803S-K10	In Stock From $588^.56	ABB	10	690
S803S-K80	In Stock From $1,132^.21	ABB	80	690
SDT215	In Stock From $172^.72	Square D	15	240
SDT220	In Stock From $100^.87	Square D	20	240
SEH3C015	In Stock From $422^.80	Sylvania	15	480
SEH3C060	In Stock From $351^.38	Challenger	60	480
SEH3C070	In Stock From $108^.66	Sylvania	70	480
SEH3C125	In Stock From $533^.14	Challenger	125	480
SEH3C150	In Stock From $431^.69	Sylvania	150	480
SFA1032A	In Stock From $61^.98	Square D	32	240
SFA1063A	In Stock From $55^.28	Square D	63	240
SFA1080A	In Stock From $77^.11	Square D	80	240
SFA3032	Limited Stock From Get Price	Square D	32	750

1
...
691
692
693
...
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.