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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
QJP32100
QJP32100
Limited Stock
From
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Square D
100
240
QJP32110
QJP32110
Limited Stock
From
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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
Limited Stock
From
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Square D
800
600
24401
24401
Limited Stock
From
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Merlin Gerin
10
440
BDA34080Y
BDA34080Y
Limited Stock
From
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Square D
80
480
JRL36200
JRL36200
Limited Stock
From
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Square D
200
600
LV431403
LV431403
Limited Stock
From
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Schneider Electric
250
690
LV431790
LV431790
Limited Stock
From
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Schneider Electric
250
690
QBA220901
QBA220901
Limited Stock
From
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Square D
90
240
25880
25880
Limited Stock
From
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Merlin Gerin
4
440
29730
29730
Limited Stock
From
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Schneider Electric
100
690
30403
30403
Limited Stock
From
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Schneider Electric
160
690
30404
30404
Limited Stock
From
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Merlin Gerin
160
690
31404
31404
Limited Stock
From
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Merlin Gerin
250
690
32410
32410
Limited Stock
From
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Merlin Gerin
400
690
32676
32676
Limited Stock
From
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Merlin Gerin
400
690
32677
32677
Limited Stock
From
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Merlin Gerin
350
690
32756
32756
Limited Stock
From
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Schneider Electric
400
440
32757
32757
Limited Stock
From
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Merlin Gerin
400
440
32893
32893
Limited Stock
From
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Schneider Electric
630
690
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.