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
5SU1356-6KK16	In Stock From $355^.89	Siemens	16	400
5SU1356-6KK25	Limited Stock From Get Price	Siemens	25	400
5SU1356-6KK40	Limited Stock From Get Price	Siemens	40	400
5SU1356-7KK06	In Stock From $361^.58	Siemens	6	400
5SU1356-7KK13	Limited Stock From Get Price	Siemens	13	400
5SU1356-7KK16	Limited Stock From Get Price	Siemens	16	400
5SU1356-7KK25	Limited Stock From Get Price	Siemens	25	400
5SU1356-7KK32	Limited Stock From Get Price	Siemens	32	400
5SU1356-7KK40	Limited Stock From Get Price	Siemens	40	400
5SU1356-7KV10	Limited Stock From Get Price	Siemens	10	400
83E6814	In Stock From $11,403^.94	Eaton	2000	600
B110	In Stock From $54^.66	Siemens	20	120
B22500S01	In Stock From $147^.32	Siemens	25	240
B225HH	In Stock From $103^.69	Siemens	25	240
B23500S01	In Stock From $141^.47	Siemens	35	240
B240H00S01	In Stock From $175^.39	Siemens	40	240
B245HH	In Stock From $90^.53	Siemens	45	240
B27000S01	In Stock From $95^.52	Siemens	70	240
B310	Limited Stock From Get Price	Siemens	10	240
CKDPV4250W	In Stock From $815^.95	Eaton	250	1000
ECB32030G3	In Stock From $321^.60	Square D	30	240
FH16025A	In Stock From $341^.75	Square D	25	277
LGB3B070	In Stock From $333^.46	Siemens	70	480
PDG12C0100TFFJ	In Stock From $189^.35	Eaton	100	600

1
...
609
610
611
...
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.