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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
HKL2300L
HKL2300L
Limited Stock
From
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Westinghouse
300
600
HKL2350
HKL2350
Limited Stock
From
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Westinghouse
350
600
HKL2350L
HKL2350L
Limited Stock
From
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Westinghouse
350
600
HKL2400
HKL2400
Limited Stock
From
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Westinghouse
400
600
HKL2400L
HKL2400L
Limited Stock
From
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Westinghouse
400
600
HKL3125
HKL3125
Limited Stock
From
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Westinghouse
125
600
HKL3125L
HKL3125L
Limited Stock
From
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Westinghouse
125
600
HKL3150L
HKL3150L
Limited Stock
From
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Westinghouse
150
600
HKL3175
HKL3175
Limited Stock
From
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Westinghouse
175
600
HKL3175L
HKL3175L
Limited Stock
From
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Westinghouse
175
600
HKL3200L
HKL3200L
Limited Stock
From
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Westinghouse
200
600
HKL3225L
HKL3225L
Limited Stock
From
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Westinghouse
225
600
HKL3250L
HKL3250L
Limited Stock
From
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Westinghouse
250
600
HKL3300L
HKL3300L
Limited Stock
From
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Westinghouse
300
600
HKL3350L
HKL3350L
Limited Stock
From
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Westinghouse
350
600
HKL3400L
HKL3400L
Limited Stock
From
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Westinghouse
400
600
HL2B400
HL2B400
Limited Stock
From
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ITE
400
600
HL2B600
HL2B600
Limited Stock
From
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ITE
600
600
HL3B400TDF
HL3B400TDF
Limited Stock
From
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ITE
400
600
HL3F400
HL3F400
Limited Stock
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ITE
400
600
HLL37030D87
HLL37030D87
Limited Stock
From
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Schneider Electric
30
500
HLL37050D87
HLL37050D87
Limited Stock
From
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Schneider Electric
50
500
HLL37070D87
HLL37070D87
Limited Stock
From
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Schneider Electric
70
500
HLM31200
HLM31200
Limited Stock
From
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Cutler Hammer
1200
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.