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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
HFD3045VL
HFD3045VL
Limited Stock
From
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Eaton
45
600
HFD3045VW
HFD3045VW
Limited Stock
From
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Eaton
45
600
HFD3050S
HFD3050S
Limited Stock
From
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Eaton
50
600
HFD3090VW
HFD3090VW
Limited Stock
From
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Eaton
90
600
HFD3110V
HFD3110V
Limited Stock
From
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Eaton
110
600
HFD3110VL
HFD3110VL
Limited Stock
From
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Eaton
110
600
HFD3110VW
HFD3110VW
Limited Stock
From
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Eaton
110
600
HFD3175VL
HFD3175VL
Limited Stock
From
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Eaton
175
600
HFD3200VL
HFD3200VL
Limited Stock
From
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Cutler Hammer
200
600
HFD3225VL
HFD3225VL
Limited Stock
From
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Cutler Hammer
225
600
HJD3070S41
HJD3070S41
Limited Stock
From
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Eaton
70
600
HJD3090S41
HJD3090S41
Limited Stock
From
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Eaton
90
600
HJD3090VW
HJD3090VW
Limited Stock
From
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Cutler Hammer
90
600
HJD3100S411
HJD3100S411
Limited Stock
From
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Westinghouse
100
600
HJD3125S41
HJD3125S41
Limited Stock
From
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Eaton
125
600
HJD3125V
HJD3125V
Limited Stock
From
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Eaton
125
600
HJD3150S41
HJD3150S41
Limited Stock
From
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Cutler Hammer
150
600
HJD3150V
HJD3150V
Limited Stock
From
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Eaton
150
600
HJD3150VW
HJD3150VW
Limited Stock
From
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Eaton
150
600
HJD3175S41
HJD3175S41
Limited Stock
From
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Westinghouse
175
600
HJD3200S41
HJD3200S41
Limited Stock
From
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Westinghouse
200
600
HJD3225S41
HJD3225S41
Limited Stock
From
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Westinghouse
225
600
HJD3250S41
HJD3250S41
Limited Stock
From
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Cutler Hammer
250
600
HJD4070
HJD4070
Limited Stock
From
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Westinghouse
70
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.