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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
HMCPE015E0CQ02
HMCPE015E0CQ02
Limited Stock
From
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Cutler Hammer
15
480
HMCPE030H1CQ01
HMCPE030H1CQ01
Limited Stock
From
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Cutler Hammer
30
480
HMCPE030H1CQ02
HMCPE030H1CQ02
Limited Stock
From
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Cutler Hammer
30
480
HMCPE070M2CQ01
HMCPE070M2CQ01
Limited Stock
From
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Cutler Hammer
70
480
HMCPE070M2CQ02
HMCPE070M2CQ02
Limited Stock
From
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Cutler Hammer
70
480
HMCPE100R3CQ01
HMCPE100R3CQ01
Limited Stock
From
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Cutler Hammer
100
480
HMCPE100R3CQ02
HMCPE100R3CQ02
Limited Stock
From
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Cutler Hammer
100
480
HNW4800WK
HNW4800WK
Limited Stock
From
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Eaton
800
690
HQC2125
HQC2125
Limited Stock
From
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Cutler Hammer
125
240
JGC305032GCH08
JGC305032GCH08
Limited Stock
From
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Cutler Hammer
50
600
JGC305032GCVH08
JGC305032GCVH08
Limited Stock
From
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Cutler Hammer
50
600
JGC305032GCVH09
JGC305032GCVH09
Limited Stock
From
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Cutler Hammer
50
600
JGC305032GH08
JGC305032GH08
Limited Stock
From
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Cutler Hammer
50
600
JGC305032GVH08
JGC305032GVH08
Limited Stock
From
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Cutler Hammer
50
600
JGC305032GVH09
JGC305032GVH09
Limited Stock
From
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Cutler Hammer
50
600
JGC305033GCH08
JGC305033GCH08
Limited Stock
From
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Cutler Hammer
50
600
JGC305033GCVH08
JGC305033GCVH08
Limited Stock
From
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Cutler Hammer
50
600
JGC305033GCVH09
JGC305033GCVH09
Limited Stock
From
Get Price
Cutler Hammer
50
600
JGC305033GH08
JGC305033GH08
Limited Stock
From
Get Price
Cutler Hammer
50
600
JGC305033GVH08
JGC305033GVH08
Limited Stock
From
Get Price
Cutler Hammer
50
600
JGC305033GVH09
JGC305033GVH09
Limited Stock
From
Get Price
Cutler Hammer
50
600
JGC305035GCH08
JGC305035GCH08
Limited Stock
From
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Cutler Hammer
50
600
JGC305035GCVH08
JGC305035GCVH08
Limited Stock
From
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Cutler Hammer
50
600
JGC305035GCVH09
JGC305035GCVH09
Limited Stock
From
Get Price
Cutler Hammer
50
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.