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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
HFW4225L
HFW4225L
Limited Stock
From
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Eaton
225
690
HFWF2125L
HFWF2125L
Limited Stock
From
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Cutler Hammer
125
690
HFWF3160KL
HFWF3160KL
Limited Stock
From
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Westinghouse
160
690
HFWF4100KL
HFWF4100KL
Limited Stock
From
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Westinghouse
100
690
HFWF4160KL
HFWF4160KL
Limited Stock
From
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Westinghouse
160
690
HFWF4225KL
HFWF4225KL
Limited Stock
From
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Eaton
225
690
HJDDC3110
HJDDC3110
Limited Stock
From
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Eaton
110
600
HJDDC3110W
HJDDC3110W
Limited Stock
From
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Westinghouse
110
600
HJW2125
HJW2125
Limited Stock
From
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Westinghouse
125
690
HJW2160
HJW2160
Limited Stock
From
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Westinghouse
160
690
HJW2200
HJW2200
Limited Stock
From
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Cutler Hammer
200
690
HJW2250
HJW2250
Limited Stock
From
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Westinghouse
250
690
HJW2250KW
HJW2250KW
Limited Stock
From
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Cutler Hammer
250
690
HJW41250
HJW41250
Limited Stock
From
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Eaton
125
690
HJW41600
HJW41600
Limited Stock
From
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Westinghouse
160
690
HJW42000
HJW42000
Limited Stock
From
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Westinghouse
200
690
HJW42500
HJW42500
Limited Stock
From
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Eaton
250
690
HKW2200
HKW2200
Limited Stock
From
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Westinghouse
200
690
HKW2250
HKW2250
Limited Stock
From
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Cutler Hammer
250
690
HKW2315
HKW2315
Limited Stock
From
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Cutler Hammer
315
690
HKW2400
HKW2400
Limited Stock
From
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Westinghouse
400
690
HKW2400F
HKW2400F
Limited Stock
From
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Westinghouse
400
690
HKW2400KW
HKW2400KW
Limited Stock
From
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Cutler Hammer
400
690
HKW4250
HKW4250
Limited Stock
From
Get Price
Westinghouse
250
690
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.