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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
QBA220901
QBA220901
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Square D
90
240
25661
25661
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Merlin Gerin
25
480
29009
29009
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Merlin Gerin
100
690
30403
30403
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Schneider Electric
160
690
30404
30404
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Merlin Gerin
160
690
30721
30721
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Merlin Gerin
125
690
31404
31404
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Merlin Gerin
250
690
32410
32410
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Merlin Gerin
400
690
32676
32676
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Merlin Gerin
400
690
32693
32693
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Merlin Gerin
400
690
32695
32695
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Merlin Gerin
400
690
32696
32696
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Schneider Electric
400
690
32756
32756
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Schneider Electric
400
440
32809
32809
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Merlin Gerin
630
690
32896
32896
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Schneider Electric
630
690
36054
36054
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Schneider Electric
600
600
BDA140151
BDA140151
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Square D
15
480
BDA140153
BDA140153
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Square D
15
480
BDA140155
BDA140155
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Square D
15
480
BDA140251
BDA140251
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Square D
25
480
BDA140303
BDA140303
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Square D
30
480
BDA140305
BDA140305
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Schneider Electric
30
480
BDA140351
BDA140351
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Square D
35
480
BDA140401
BDA140401
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Square D
40
480
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.