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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
EJB34050AABASA
EJB34050AABASA
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Square D
50
480
24105
24105
Limited Stock
From
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Merlin Gerin
25
440
24108
24108
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Square D
50
440
24398
24398
Limited Stock
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Merlin Gerin
4
440
60145
60145
Limited Stock
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Schneider Electric
13
240
60269
60269
Limited Stock
From
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Square D
2
240
A9F18210
A9F18210
Limited Stock
From
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Schneider Electric
10
400
A9F18220
A9F18220
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Schneider Electric
20
400
A9F18463
A9F18463
Limited Stock
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Schneider Electric
63
400
A9F19332
A9F19332
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Schneider Electric
32
400
A9F19463
A9F19463
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From
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Schneider Electric
63
400
BDA24020Y4
BDA24020Y4
Limited Stock
From
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Schneider Electric
20
480
BDA24050Y4
BDA24050Y4
Limited Stock
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Schneider Electric
50
480
BDA24090Y1
BDA24090Y1
Limited Stock
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Schneider Electric
90
480
BDA34045Y
BDA34045Y
Limited Stock
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Schneider Electric
45
480
BDA34125Y
BDA34125Y
Limited Stock
From
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Square D
125
480
BGA34070Y
BGA34070Y
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Square D
70
480
EGB4060
EGB4060
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Square D
60
480
EHB341001082
EHB341001082
Limited Stock
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Square D
100
480
HRA36150U31X
HRA36150U31X
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Schneider Electric
150
600
HRA36150U33X
HRA36150U33X
Limited Stock
From
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Square D
150
600
JRL36150
JRL36150
Limited Stock
From
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Schneider Electric
150
600
JRL36200
JRL36200
Limited Stock
From
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Square D
200
600
JRL36225
JRL36225
Limited Stock
From
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Square D
225
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.