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
EF2A003	In Stock From $144^.89	Siemens	3	600
EF2A025	In Stock From $375^.77	Siemens	25	600
EF2B010	In Stock From $269^.54	Siemens	10	600
EF2B010L	In Stock From $183^.70	ITE	10	600
EF2B015	In Stock From $32^.58	ITE	15	600
EF2B015L	In Stock From $178^.18	ITE	15	600
EF2B020L	In Stock From $552^.42	Siemens	20	600
EF2B025	In Stock From $484^.95	ITE	25	600
EF2B025L	In Stock From $224^.65	Siemens	25	600
EF2B035	In Stock From $427^.28	ITE	35	600
EF2B035L	In Stock From $178^.32	Siemens	35	600
EF2B040	In Stock From $161^.38	Siemens	40	600
EF2B040L	In Stock From $177^.74	ITE	40	600
EF2B045	In Stock From $179^.41	Siemens	45	600
EF2B045L	In Stock From $180^.90	ITE	45	600
EF2B050	In Stock From $607^.88	ITE	50	600
EF2B050L	In Stock From $179^.58	Siemens	50	600
EF2B060	In Stock From $514^.72	ITE	60	600
EF2B060L	In Stock From $152^.36	Siemens	60	600
EF2B070	In Stock From $466^.16	ITE	70	600
EF2B070L	In Stock From $276^.18	ITE	70	600
EF2B080	In Stock From $464^.79	Siemens	80	600
EF2B080L	In Stock From $272^.47	Siemens	80	600
EF2B090	In Stock From $718^.50	Siemens	90	600

1
...
228
229
230
...
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.