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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
QJM32125
QJM32125
Limited Stock
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Schneider Electric
125
240
QJM32125TN
QJM32125TN
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From
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Square D
125
240
QJM32150
QJM32150
Limited Stock
From
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Square D
150
240
QJM32150TN
QJM32150TN
Limited Stock
From
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Schneider Electric
150
240
QJM32200
QJM32200
Limited Stock
From
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Square D
200
240
QJM32200TN
QJM32200TN
Limited Stock
From
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Schneider Electric
200
240
QJM32225
QJM32225
Limited Stock
From
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Square D
225
240
QJM32225TN
QJM32225TN
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From
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Square D
225
240
QJM32250
QJM32250
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Square D
250
240
QJM32250TN
QJM32250TN
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Square D
250
240
QJP32070
QJP32070
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Square D
70
240
QJP32080
QJP32080
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Schneider Electric
80
240
QJP32090
QJP32090
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Schneider Electric
90
240
QJP32100
QJP32100
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Square D
100
240
QJP32110
QJP32110
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Square D
110
240
QJP32150
QJP32150
Limited Stock
From
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Square D
150
240
QJP32200
QJP32200
Limited Stock
From
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Square D
200
240
QJP32225
QJP32225
Limited Stock
From
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Schneider Electric
225
240
QJP32250
QJP32250
Limited Stock
From
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Schneider Electric
250
240
RL800
RL800
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From
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Square D
800
600
BDA34080Y
BDA34080Y
Limited Stock
From
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Square D
80
480
BGA34045Y
BGA34045Y
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From
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Square D
45
480
HRL36150U31X
HRL36150U31X
Limited Stock
From
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Square D
150
600
JRL36250
JRL36250
Limited Stock
From
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Square D
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.