Refine Results

In Stock

Applied Filters:

Molded Case Circuit Breaker

Siemens

Subcategory

Molded Case Circuit Breaker

Manufacturers (1)

Siemens

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
HB3B080F	Limited Stock From Get Price	Siemens	80	240
HB3B080M	Limited Stock From Get Price	Siemens	80	240
HB3B080QX	Limited Stock From Get Price	Siemens	80	240
HB3B080Y	Limited Stock From Get Price	Siemens	80	240
HB3B10000S01	Limited Stock From Get Price	Siemens	100	240
HB3B10000S07	Limited Stock From Get Price	Siemens	100	240
HB3B10001	Limited Stock From Get Price	Siemens	100	240
HB3B100F	Limited Stock From Get Price	Siemens	100	240
HB3B100L	Limited Stock From Get Price	Siemens	100	240
HB3B100M	Limited Stock From Get Price	Siemens	100	240
HB3B100QX	Limited Stock From Get Price	Siemens	100	240
HB3B100Y	Limited Stock From Get Price	Siemens	100	240
HLD63F500	Limited Stock From Get Price	Siemens	500	600
Q115DFHH	Limited Stock From Get Price	Siemens	15	120
Q120DFHH	Limited Stock From Get Price	Siemens	20	120
QE115H	Limited Stock From Get Price	Siemens	15	240
QE130H	Limited Stock From Get Price	Siemens	30	240
QE250H	Limited Stock From Get Price	Siemens	50	240
QF215AH	Limited Stock From Get Price	Siemens	15	240
3VA5110-6ED21-0AA0	Limited Stock From Get Price	Siemens	125	480
3VA5217-6EF31-0AA0	Limited Stock From Get Price	Siemens	250	690
3VL1796-2DA33-0AA0	Limited Stock From Get Price	Siemens	16	690
BQCH1B040	Limited Stock From Get Price	Siemens	40	480
E41B030	Limited Stock From Get Price	Siemens	30	277

1
...
417
418
419
...
1,176

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.