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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
BU-KSB-2250
BU-KSB-2250
In Stock
From
$742.71
Fuji Electric
BU-KSB-3250
BU-KSB-3250
In Stock
From
$370.67
Fuji Electric
BU-KSB-3350L
BU-KSB-3350L
In Stock
From
$968.75
Fuji Electric
BU-MSB3F800
BU-MSB3F800
In Stock
From
$1,129.87
Fuji Electric
BU3EH-C040L
BU3EH-C040L
In Stock
From
$663.48
Fuji Electric
BU3EHC-015L
BU3EHC-015L
In Stock
From
$211.90
Fuji Electric
BU3EHC-020L
BU3EHC-020L
In Stock
From
$116.15
Fuji Electric
BU3EHC-060L
BU3EHC-060L
In Stock
From
$331.75
Fuji Electric
BU3FHC-030L
BU3FHC-030L
In Stock
From
$349.75
Fuji Electric
BU3FHC015L
BU3FHC015L
In Stock
From
$124.52
Fuji Electric
BU3GDH175
BU3GDH175
In Stock
From
$212.32
Fuji Electric
BU3GHC-125L
BU3GHC-125L
In Stock
From
$293.47
Fuji Electric
BW100EAG-3P075
BW100EAG-3P075
In Stock
From
$250.00
Fuji Electric
BW100EAGU-2P060
BW100EAGU-2P060
In Stock
From
$182.16
Fuji Electric
BW100EAGU-2P075
BW100EAGU-2P075
In Stock
From
$398.35
Fuji Electric
BW100EAGU-3P090
BW100EAGU-3P090
In Stock
From
$379.96
Fuji Electric
BW125JAGU
BW125JAGU
In Stock
From
$479.86
Fuji Electric
BW125JAGU-3P040
BW125JAGU-3P040
In Stock
From
$519.90
Fuji Electric
BW125JAGU-3P070
BW125JAGU-3P070
In Stock
From
$85.72
Fuji Electric
BW125RAGU-3P015
BW125RAGU-3P015
In Stock
From
$1,166.24
Fuji Electric
BW125RAGU-3P040
BW125RAGU-3P040
In Stock
From
$62.61
Fuji Electric
BW125RAGU-3P060
BW125RAGU-3P060
In Stock
From
$864.85
Fuji Electric
BW125RAGU-3P070
BW125RAGU-3P070
In Stock
From
$297.50
Fuji Electric
BW250EAGU-3P200
BW250EAGU-3P200
In Stock
From
$985.41
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.