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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
CLC3600F
CLC3600F
Limited Stock
From
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Challenger
600
600
CLH3300
CLH3300
Limited Stock
From
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Challenger
300
600
CLH3350
CLH3350
Limited Stock
From
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Challenger
350
600
CLH3400
CLH3400
Limited Stock
From
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Challenger
400
600
CLH3450
CLH3450
Limited Stock
From
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Challenger
450
600
CLH3500
CLH3500
Limited Stock
From
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Challenger
500
600
CLH3600
CLH3600
Limited Stock
From
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Challenger
600
600
CLHC3600F
CLHC3600F
Limited Stock
From
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Challenger
600
600
CHMP025D0C
CHMP025D0C
Limited Stock
From
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Challenger
-
-
CBBGF1015
CBBGF1015
Limited Stock
From
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Cutler Hammer
15
120
QFB24150-2
QFB24150-2
Limited Stock
From
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Challenger
150
240
QFB24175-2
QFB24175-2
Limited Stock
From
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Zinsco
175
240
A2030CT
A2030CT
Limited Stock
From
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Challenger
30
240
A22030
A22030
Limited Stock
From
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Challenger
30
240
CB2100X
CB2100X
Limited Stock
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Challenger
100
240
CB2100Y
CB2100Y
Limited Stock
From
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Challenger
100
240
CB2125
CB2125
Limited Stock
From
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Challenger
125
240
CB2125X
CB2125X
Limited Stock
From
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Challenger
125
240
CB2125Y
CB2125Y
Limited Stock
From
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Challenger
125
240
CB2150
CB2150
Limited Stock
From
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Challenger
150
240
CB2150X
CB2150X
Limited Stock
From
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Challenger
150
240
CB2150Y
CB2150Y
Limited Stock
From
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Challenger
150
240
CB2175
CB2175
Limited Stock
From
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Challenger
175
240
CB2175X
CB2175X
Limited Stock
From
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Challenger
175
240
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.