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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
HKB3125V
HKB3125V
Limited Stock
From
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Cutler Hammer
125
600
HKB3150V
HKB3150V
Limited Stock
From
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Cutler Hammer
150
600
HKB3175V
HKB3175V
Limited Stock
From
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Westinghouse
175
600
HKB3200V
HKB3200V
Limited Stock
From
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Westinghouse
200
600
HKB3225V
HKB3225V
Limited Stock
From
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Westinghouse
225
600
HKB3250V
HKB3250V
Limited Stock
From
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Westinghouse
250
600
HLA2070PR
HLA2070PR
Limited Stock
From
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Westinghouse
70
600
HLA2070V
HLA2070V
Limited Stock
From
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Westinghouse
70
600
HLA2090PR
HLA2090PR
Limited Stock
From
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Westinghouse
90
600
HLA2090V
HLA2090V
Limited Stock
From
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Cutler Hammer
90
600
HLA2100PR
HLA2100PR
Limited Stock
From
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Westinghouse
100
600
HLA2100V
HLA2100V
Limited Stock
From
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Westinghouse
100
600
HLA2125PR
HLA2125PR
Limited Stock
From
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Westinghouse
125
600
HLA2125V
HLA2125V
Limited Stock
From
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Westinghouse
125
600
HLA2150PR
HLA2150PR
Limited Stock
From
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Westinghouse
150
600
HLA2150V
HLA2150V
Limited Stock
From
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Cutler Hammer
150
600
HLA2175PR
HLA2175PR
Limited Stock
From
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Westinghouse
175
600
HLA2175V
HLA2175V
Limited Stock
From
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Westinghouse
175
600
HLA2200PR
HLA2200PR
Limited Stock
From
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Westinghouse
200
600
HLA2200V
HLA2200V
Limited Stock
From
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Westinghouse
200
600
HLA2225PR
HLA2225PR
Limited Stock
From
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Westinghouse
225
600
HLA2225V
HLA2225V
Limited Stock
From
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Cutler Hammer
225
600
HLA2250PR
HLA2250PR
Limited Stock
From
Get Price
Westinghouse
250
600
HLA2250V
HLA2250V
Limited Stock
From
Get Price
Westinghouse
250
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.