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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.
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Part Number
PRICE
Manufacturer
BW400EAGU-3P300
BW400EAGU-3P300
In Stock
From
$2,020.82
Fuji Electric
BW50RAGU-2P015
BW50RAGU-2P015
In Stock
From
$118.17
Fuji Electric
BW50RAGU-3P050
BW50RAGU-3P050
In Stock
From
$343.39
Fuji Electric
BW63RAG-3P060
BW63RAG-3P060
In Stock
From
$155.59
Fuji Electric
CP31DI-2A-DC
CP31DI-2A-DC
In Stock
From
$11.40
Fuji Electric
CP31EM/10WDC
CP31EM/10WDC
In Stock
From
$15.12
Fuji Electric
CP31FM/3W
CP31FM/3W
In Stock
From
$74.17
Fuji Electric
CP32E/20
CP32E/20
In Stock
From
$69.67
Fuji Electric
CP32E/3
CP32E/3
In Stock
From
$46.77
Fuji Electric
CP32FM/20
CP32FM/20
In Stock
From
$42.29
Fuji Electric
CP32FS/3D
CP32FS/3D
In Stock
From
$55.20
Fuji Electric
EA32-BB2AEA-005
EA32-BB2AEA-005
In Stock
From
$12.49
Fuji Electric
EG103F-75-30MA
EG103F-75-30MA
In Stock
From
$269.64
Fuji Electric
EG203B-175
EG203B-175
In Stock
From
$843.22
Fuji Electric
EG33A-20
EG33A-20
In Stock
From
$210.94
Fuji Electric
EG53C/100-200MA
EG53C/100-200MA
In Stock
From
$106.19
Fuji Electric
EW100EAGU-3P070K
EW100EAGU-3P070K
In Stock
From
$1,117.57
Fuji Electric
EW100EAGU-3P075B
EW100EAGU-3P075B
In Stock
From
$288.57
Fuji Electric
F51B
F51B
In Stock
From
$23.42
Fuji Electric
SA103B/50
SA103B/50
In Stock
From
$75.44
Fuji Electric
SA103BAUL75FU
SA103BAUL75FU
In Stock
From
$242.52
Fuji Electric
SA203B/150W
SA203B/150W
In Stock
From
$248.22
Fuji Electric
SA403RCUL400
SA403RCUL400
In Stock
From
$916.29
Fuji Electric
SA53RCUL/15
SA53RCUL/15
In Stock
From
$44.25
Fuji Electric
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.