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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.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Voltage
LDB3500
LDB3500
In Stock
From
$7,048.03
Eaton
500
600
LDB3500X
LDB3500X
In Stock
From
$4,325.86
Westinghouse
500
600
LDB3600FT32W
LDB3600FT32W
In Stock
From
$6,023.58
Eaton
600
600
LDB3600K
LDB3600K
In Stock
From
$7,147.47
Cutler Hammer
600
600
LDB3600WK
LDB3600WK
In Stock
From
$3,445.45
Westinghouse
600
600
LDB3600X
LDB3600X
In Stock
From
$4,380.58
Westinghouse
600
600
LDC3400T52W
LDC3400T52W
In Stock
From
$10,857.21
Westinghouse
400
600
LDC3600F
LDC3600F
In Stock
From
$3,675.20
Eaton
600
600
LDC3600T57W
LDC3600T57W
In Stock
From
$2,663.35
Eaton
600
600
LDC3600W
LDC3600W
In Stock
From
$23,124.12
Westinghouse
600
600
LDCB3600FT33W
LDCB3600FT33W
In Stock
From
$7,212.32
Westinghouse
600
600
LDL36600U33X
LDL36600U33X
In Stock
From
$3,300.90
Schneider Electric
600
600
LGA36400U44X
LGA36400U44X
In Stock
From
$6,380.51
Schneider Electric
400
600
LGB3K015B
LGB3K015B
In Stock
From
$992.48
Siemens
15
600
LGC3250FAG
LGC3250FAG
In Stock
From
$3,531.89
Eaton
250
600
LGC3600FAG
LGC3600FAG
In Stock
From
$6,355.93
Eaton
600
600
LGE3400FAG
LGE3400FAG
In Stock
From
$2,370.95
Eaton
400
600
LGE3500FAG
LGE3500FAG
In Stock
From
$3,901.13
Eaton
500
600
LGE3630NNWC
LGE3630NNWC
In Stock
From
$2,886.81
Cutler Hammer
630
600
LGH360036W
LGH360036W
In Stock
From
$5,413.04
Cutler Hammer
600
600
LGH3630NNWC
LGH3630NNWC
In Stock
From
$4,435.22
Cutler Hammer
630
600
LGS3350FAG
LGS3350FAG
In Stock
From
$2,193.85
Cutler Hammer
350
600
LGS3400FAG
LGS3400FAG
In Stock
From
$1,781.91
Eaton
400
600
LHL36225
LHL36225
In Stock
From
$1,946.71
Square D
225
600
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.