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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
HMA2150
HMA2150
Limited Stock
From
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Westinghouse
150
600
HMA2150V
HMA2150V
Limited Stock
From
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Westinghouse
150
600
HMA2175
HMA2175
Limited Stock
From
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Westinghouse
175
600
HMA2175V
HMA2175V
Limited Stock
From
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Westinghouse
175
600
HMA2200
HMA2200
Limited Stock
From
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Cutler Hammer
200
600
HMA2200V
HMA2200V
Limited Stock
From
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Westinghouse
200
600
HMA2225
HMA2225
Limited Stock
From
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Cutler Hammer
225
600
HMA2225V
HMA2225V
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From
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Westinghouse
225
600
HMA2250
HMA2250
Limited Stock
From
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Westinghouse
250
600
HMA2250V
HMA2250V
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From
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Cutler Hammer
250
600
HMA2300
HMA2300
Limited Stock
From
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Westinghouse
300
600
HMA2300V
HMA2300V
Limited Stock
From
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Westinghouse
300
600
HMA2350
HMA2350
Limited Stock
From
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Westinghouse
350
600
HMA2350V
HMA2350V
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From
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Cutler Hammer
350
600
HMA2400V
HMA2400V
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From
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Westinghouse
400
600
HMA2450V
HMA2450V
Limited Stock
From
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Westinghouse
450
600
HMA2500V
HMA2500V
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From
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Westinghouse
500
600
HMA2600V
HMA2600V
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From
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Westinghouse
600
600
HMA2700V
HMA2700V
Limited Stock
From
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Westinghouse
700
600
HMA2800V
HMA2800V
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From
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Cutler Hammer
800
600
HMA3125V
HMA3125V
Limited Stock
From
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Westinghouse
125
600
HMA3150V
HMA3150V
Limited Stock
From
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Westinghouse
150
600
HMA3175V
HMA3175V
Limited Stock
From
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Cutler Hammer
175
600
HMA3200V
HMA3200V
Limited Stock
From
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Westinghouse
200
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.