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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
LCY3600F
LCY3600F
Limited Stock
From
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Westinghouse
600
240
LCYA3600F
LCYA3600F
Limited Stock
From
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Westinghouse
240
600
LM2125PND
LM2125PND
Limited Stock
From
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Westinghouse
125
600
LM2150PND
LM2150PND
Limited Stock
From
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Westinghouse
150
600
LM2175PND
LM2175PND
Limited Stock
From
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Westinghouse
175
600
LM2200PND
LM2200PND
Limited Stock
From
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Westinghouse
200
600
LM2225PND
LM2225PND
Limited Stock
From
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Westinghouse
225
600
LM31000P
LM31000P
Limited Stock
From
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Westinghouse
1000
600
LM31200F
LM31200F
Limited Stock
From
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Westinghouse
1200
600
LM31200P
LM31200P
Limited Stock
From
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Westinghouse
1200
600
LM3800P
LM3800P
Limited Stock
From
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Westinghouse
800
600
LM3900P
LM3900P
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Westinghouse
900
600
MD3800WK
MD3800WK
Limited Stock
From
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Cutler Hammer
800
600
MDSC3800F
MDSC3800F
Limited Stock
From
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Cutler Hammer
800
600
QCC2125V
QCC2125V
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From
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Westinghouse
125
240
QCC2150V
QCC2150V
Limited Stock
From
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Westinghouse
150
240
QCC2175V
QCC2175V
Limited Stock
From
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Westinghouse
175
240
QCC2200V
QCC2200V
Limited Stock
From
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Westinghouse
200
240
QCC2225V
QCC2225V
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From
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Westinghouse
225
240
QCL1005
QCL1005
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From
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Westinghouse
5
240
QCL2040
QCL2040
Limited Stock
From
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Westinghouse
40
240
QCL2050
QCL2050
Limited Stock
From
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Westinghouse
50
240
QNPL1020
QNPL1020
Limited Stock
From
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Westinghouse
20
240
REA2015
REA2015
Limited Stock
From
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Westinghouse
15
240
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.