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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
Amperage
Voltage
LAB3200WF
LAB3200WF
Limited Stock
From
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Westinghouse
200
600
LAB3225SV
LAB3225SV
Limited Stock
From
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Westinghouse
225
600
LAB3225V
LAB3225V
Limited Stock
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Westinghouse
225
600
LAB3250A
LAB3250A
Limited Stock
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Westinghouse
250
600
LAB3250SV
LAB3250SV
Limited Stock
From
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Westinghouse
250
600
LAB3250V
LAB3250V
Limited Stock
From
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Westinghouse
250
600
LAB3300A
LAB3300A
Limited Stock
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Westinghouse
300
600
LAB3300SV
LAB3300SV
Limited Stock
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Westinghouse
300
600
LAB3300V
LAB3300V
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Westinghouse
300
600
LAB3350A
LAB3350A
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Westinghouse
350
600
LAB3350SV
LAB3350SV
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Westinghouse
350
600
LAB3400A
LAB3400A
Limited Stock
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Westinghouse
400
600
LAB3400SNW
LAB3400SNW
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Westinghouse
400
600
LAB3400SV
LAB3400SV
Limited Stock
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Westinghouse
400
600
LAB3400V
LAB3400V
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Westinghouse
400
600
LC2600K
LC2600K
Limited Stock
From
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Westinghouse
600
600
LCCG3600F
LCCG3600F
Limited Stock
From
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Westinghouse
600
600
LCCGA3600F
LCCGA3600F
Limited Stock
From
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Westinghouse
600
600
LCGA3150F
LCGA3150F
Limited Stock
From
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Westinghouse
150
600
LCGA3400F
LCGA3400F
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Westinghouse
400
600
LD2300C
LD2300C
Limited Stock
From
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Westinghouse
300
600
LD2350C
LD2350C
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Eaton
350
600
LD2400C
LD2400C
Limited Stock
From
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Eaton
400
600
LD2450C
LD2450C
Limited Stock
From
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Westinghouse
450
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.