1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

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
ED3100LB02
ED3100LB02
Limited Stock
From
Get Price
Eaton
EF1B015
EF1B015
Limited Stock
From
Get Price
Siemens
EFC3M015
EFC3M015
Limited Stock
From
Get Price
Siemens
EG103B-050
EG103B-050
Limited Stock
From
Get Price
Fuji Electric
EG33B-5
EG33B-5
Limited Stock
From
Get Price
Fuji Electric
EH3-40201212
EH3-40201212
Limited Stock
From
Get Price
Schneider Electric
EP101UCC05
EP101UCC05
Limited Stock
From
Get Price
General Electric
EP61B06
EP61B06
Limited Stock
From
Get Price
General Electric
EP61B10
EP61B10
Limited Stock
From
Get Price
General Electric
EP61C02
EP61C02
Limited Stock
From
Get Price
General Electric
EP63B32
EP63B32
Limited Stock
From
Get Price
General Electric
EP63ULD06
EP63ULD06
Limited Stock
From
Get Price
General Electric
EPC-611-C06
EPC-611-C06
Limited Stock
From
Get Price
General Electric
ET4029
ET4029
Limited Stock
From
Get Price
Siemens
EW100EAGU-3P070
EW100EAGU-3P070
Limited Stock
From
Get Price
Fuji Electric
EW125JAGU-3P125B
EW125JAGU-3P125B
Limited Stock
From
Get Price
Fuji Electric
EW250JAGU-3P125K
EW250JAGU-3P125K
Limited Stock
From
Get Price
Fuji Electric
EW50RAGU-3P040K
EW50RAGU-3P040K
Limited Stock
From
Get Price
Fuji Electric
F162-G32/0.03
F162-G32/0.03
Limited Stock
From
Get Price
ABB
F162-L16/0.03
F162-L16/0.03
Limited Stock
From
Get Price
ABB
F204AC-40/0.1
F204AC-40/0.1
Limited Stock
From
Get Price
ABB
FA24030CA
FA24030CA
Limited Stock
From
Get Price
Schneider Electric
FB3070SV
FB3070SV
Limited Stock
From
Get Price
Westinghouse
FIP16-2/0.03
FIP16-2/0.03
Limited Stock
From
Get Price
Eaton
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.