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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
LC3125
LC3125
In Stock
From
Get Price
Westinghouse
125
600
LC3150F
LC3150F
In Stock
From
$510.00
Westinghouse
150
600
LC3150FM
LC3150FM
In Stock
From
$907.37
Westinghouse
150
600
LC3175
LC3175
In Stock
From
$941.24
Westinghouse
175
600
LC3250
LC3250
In Stock
From
$894.14
Westinghouse
250
600
LC3300FM
LC3300FM
In Stock
From
$1,316.95
Westinghouse
300
600
LC3350
LC3350
In Stock
From
Get Price
Westinghouse
350
600
LC3400F
LC3400F
In Stock
From
$868.61
Westinghouse
400
600
LC3400FM
LC3400FM
In Stock
From
$1,822.20
Westinghouse
400
600
LC3450
LC3450
In Stock
From
$1,329.14
Westinghouse
450
600
LC3600FM
LC3600FM
In Stock
From
$1,608.24
Westinghouse
600
600
LC3600K
LC3600K
In Stock
From
$1,608.24
Westinghouse
600
600
LC3600WSK
LC3600WSK
In Stock
From
$1,608.24
Westinghouse
600
600
LCC2600K
LCC2600K
In Stock
From
$727.62
Westinghouse
600
600
LCC3600F
LCC3600F
In Stock
From
$465.67
Westinghouse
600
600
LCC3600K
LCC3600K
In Stock
From
$1,608.24
Westinghouse
600
600
LCC3600WK
LCC3600WK
In Stock
From
$1,608.24
Westinghouse
600
600
LCCA3600F
LCCA3600F
In Stock
From
$1,608.24
Westinghouse
600
600
LCG3150F
LCG3150F
In Stock
From
$907.37
Westinghouse
150
600
LCG3225
LCG3225
In Stock
From
Get Price
Westinghouse
225
600
LCG3250
LCG3250
In Stock
From
Get Price
Westinghouse
250
600
LCG3300
LCG3300
In Stock
From
$1,316.95
Westinghouse
300
600
LCGA3300F
LCGA3300F
In Stock
From
$736.71
Westinghouse
300
600
LCGA3600F
LCGA3600F
In Stock
From
$8,100.00
Westinghouse
600
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.