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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
SA33C-BB3ASC-020
SA33C-BB3ASC-020
In Stock
From
$163.07
Fuji Electric
SA52BT
SA52BT
In Stock
From
$76.95
Fuji Electric
SA52BUL-015
SA52BUL-015
In Stock
From
$103.57
Fuji Electric
SA53/50
SA53/50
In Stock
From
$34.50
Fuji Electric
SA53BM-0.7
SA53BM-0.7
In Stock
From
$124.92
Fuji Electric
SA53C50
SA53C50
In Stock
From
$222.25
Fuji Electric
SA53H-3P-20
SA53H-3P-20
In Stock
From
$40.69
Fuji Electric
SA53RCUL/10
SA53RCUL/10
In Stock
From
$42.99
Fuji Electric
SA53RCUL/20
SA53RCUL/20
In Stock
From
$155.00
Fuji Electric
SA603RUL600L1
SA603RUL600L1
In Stock
From
$1,500.59
Fuji Electric
SA63B-60A
SA63B-60A
In Stock
From
$324.19
Fuji Electric
SC4ABAA
SC4ABAA
In Stock
From
$104.35
Fuji Electric
SG103B-3P-15A
SG103B-3P-15A
In Stock
From
$212.76
Fuji Electric
SG103BAD-15A
SG103BAD-15A
In Stock
From
$127.64
Fuji Electric
SG53B-20A
SG53B-20A
In Stock
From
$34.96
Fuji Electric
SGH63-30
SGH63-30
In Stock
From
$268.64
Fuji Electric
BW250JAGU-3P225SB
BW250JAGU-3P225SB
In Stock
From
$1,313.82
Fuji Electric
BW50AAG-3P040
BW50AAG-3P040
In Stock
From
Get Price
Fuji Electric
BW50SAG
BW50SAG
In Stock
From
$139.25
Fuji Electric
CP31FS/7W
CP31FS/7W
Limited Stock
From
Get Price
Fuji Electric
CP33FS/20
CP33FS/20
In Stock
From
$45.33
Fuji Electric
EW50RBGU-3P040C
EW50RBGU-3P040C
In Stock
From
$1,121.63
Fuji Electric
SA103BAUL60
SA103BAUL60
In Stock
From
$470.08
Fuji Electric
SA103RAUL
SA103RAUL
In Stock
From
$132.84
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.