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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
BJA141105
BJA141105
Limited Stock
From
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Schneider Electric
110
480
BJA141251
BJA141251
Limited Stock
From
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Square D
125
480
BJA141253
BJA141253
Limited Stock
From
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Square D
125
480
BJA141255
BJA141255
Limited Stock
From
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Schneider Electric
125
480
BJA160255
BJA160255
Limited Stock
From
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Square D
25
600
BJA160703
BJA160703
Limited Stock
From
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Square D
70
600
BJA160705
BJA160705
Limited Stock
From
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Square D
70
600
BJA160803
BJA160803
Limited Stock
From
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Schneider Electric
80
600
BJA160805
BJA160805
Limited Stock
From
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Schneider Electric
80
600
BJA160903
BJA160903
Limited Stock
From
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Square D
90
600
BJA160905
BJA160905
Limited Stock
From
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Schneider Electric
90
600
BJA161003
BJA161003
Limited Stock
From
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Square D
100
600
BJA161103
BJA161103
Limited Stock
From
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Schneider Electric
110
600
BJA161105
BJA161105
Limited Stock
From
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Square D
110
600
BJA161253
BJA161253
Limited Stock
From
Get Price
Square D
125
600
BJA161255
BJA161255
Limited Stock
From
Get Price
Square D
125
600
BJA240151
BJA240151
Limited Stock
From
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Square D
15
480
BJA240152
BJA240152
Limited Stock
From
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Schneider Electric
15
480
BJA240153
BJA240153
Limited Stock
From
Get Price
Schneider Electric
15
480
BJA240154
BJA240154
Limited Stock
From
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Square D
15
480
BJA240155
BJA240155
Limited Stock
From
Get Price
Square D
15
480
BJA240156
BJA240156
Limited Stock
From
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Square D
15
480
BJA240201
BJA240201
Limited Stock
From
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Schneider Electric
20
480
BJA240202
BJA240202
Limited Stock
From
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Schneider Electric
20
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.