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
B220AFC	In Stock From $176^.32	Siemens	20	240
B225	In Stock From $43^.88	Siemens	25	240
B245	In Stock From $30^.83	Siemens	45	240
B250R	In Stock From $1^.33	Siemens	50	240
BA120AFC	In Stock From $85^.26	Siemens	20	120
BE115	In Stock From $93^.58	Siemens	15	120
BE220	In Stock From $217^.14	Siemens	20	240
BF115	In Stock From $80^.00	Siemens	15	120
BF115A	In Stock From $107^.54	Siemens	15	120
BF115AH	In Stock From $176^.09	Siemens	15	120
BF130A	In Stock From $127^.23	Siemens	30	120
BF215A	In Stock From $172^.19	Siemens	15	240
BF220AH	In Stock From $388^.20	Siemens	20	240
BF240AH	In Stock From $464^.80	Siemens	40	240
BQ1B010	In Stock From $49^.20	Siemens	10	120
BQ2B030L	In Stock From $73^.00	Siemens	30	240
BQ2B040L	In Stock From $77^.75	Siemens	40	240
BQ2B05000S01	In Stock From $108^.80	Siemens	50	240
BQ2B060H	In Stock From $95^.07	Siemens	60	240
CED63S100A	In Stock From $739^.02	Siemens	100	600
CLD63B600	In Stock From $3,745^.23	Siemens	600	600
ED21B040	In Stock From $159^.52	Siemens	40	120
ED43B015L	In Stock From $427^.90	Siemens	15	480
ED43B025L	In Stock From $951^.63	Siemens	25	480

1
...
14
15
16
...
1,177

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.