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
BU3FHC-020L
BU3FHC-020L
Limited Stock
From
Get Price
Fuji Electric
BW100AAG-3P100
BW100AAG-3P100
In Stock
From
$264.95
Fuji Electric
BW100EAGU-3P063
BW100EAGU-3P063
In Stock
From
$329.92
Fuji Electric
BW125JAGU-3P015SB
BW125JAGU-3P015SB
In Stock
From
$290.88
Fuji Electric
BW125JAGU-3P020SB
BW125JAGU-3P020SB
In Stock
From
$369.66
Fuji Electric
BW125JAGU-3P030SB
BW125JAGU-3P030SB
In Stock
From
$347.04
Fuji Electric
BW125JAGU-3P070SB
BW125JAGU-3P070SB
In Stock
From
$369.66
Fuji Electric
BW125RAGU-3P030
BW125RAGU-3P030
In Stock
From
$126.77
Fuji Electric
BW250JAGU-3P250
BW250JAGU-3P250
In Stock
From
$1,507.97
Fuji Electric
BW400RAGU-3P300
BW400RAGU-3P300
In Stock
From
$2,685.92
Fuji Electric
BW50EAG-2P-050
BW50EAG-2P-050
In Stock
From
$71.31
Fuji Electric
BW50RAGU-2P003
BW50RAGU-2P003
In Stock
From
$99.51
Fuji Electric
BW50RBGU-2P003
BW50RBGU-2P003
In Stock
From
$298.66
Fuji Electric
BW50RBGU-3P050
BW50RBGU-3P050
In Stock
From
$290.94
Fuji Electric
CP30FM-3P005
CP30FM-3P005
In Stock
From
$147.78
Fuji Electric
CP31-15A
CP31-15A
In Stock
From
$13.99
Fuji Electric
CP31/X-5A
CP31/X-5A
In Stock
From
$19.52
Fuji Electric
CP3120XW
CP3120XW
In Stock
From
$16.87
Fuji Electric
CP31D/15
CP31D/15
In Stock
From
$18.84
Fuji Electric
CP31E/0.5
CP31E/0.5
In Stock
From
$19.20
Fuji Electric
CP31E/10DC
CP31E/10DC
In Stock
From
$52.52
Fuji Electric
CP31E/1W
CP31E/1W
In Stock
From
$31.49
Fuji Electric
CP31E/2
CP31E/2
In Stock
From
$50.81
Fuji Electric
CP31EM/5
CP31EM/5
In Stock
From
$28.37
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.