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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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Manufacturer
EMG 40 030 4
EMG 40 030 4
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Schneider Electric
EMG250302
EMG250302
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Schneider Electric
EMG250304
EMG250304
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Schneider Electric
EZ9D16820
EZ9D16820
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Schneider Electric
EZ9D16832
EZ9D16832
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Schneider Electric
EZ9D16850
EZ9D16850
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Schneider Electric
EZ9F13206
EZ9F13206
In Stock
From
$3.80
Schneider Electric
EZ9F16103
EZ9F16103
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Schneider Electric
EZ9F16106
EZ9F16106
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Schneider Electric
EZ9F16116
EZ9F16116
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Schneider Electric
EZ9F16140
EZ9F16140
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Schneider Electric
EZ9F66106
EZ9F66106
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Schneider Electric
EZ9R33280
EZ9R33280
Limited Stock
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Schneider Electric
EZC100H3032
EZC100H3032
Limited Stock
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Schneider Electric
F100/R125-X3
F100/R125-X3
Limited Stock
From
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Schneider Electric
FA-5274
FA-5274
In Stock
From
$90.87
Schneider Electric
FA22015CA
FA22015CA
In Stock
From
$385.82
Schneider Electric
FA340151121
FA340151121
In Stock
From
$291.16
Schneider Electric
FA340301121
FA340301121
In Stock
From
$787.89
Schneider Electric
FA36030Q
FA36030Q
In Stock
From
$360.69
Schneider Electric
FA36090375
FA36090375
In Stock
From
$844.67
Schneider Electric
FAF3605014M1212
FAF3605014M1212
In Stock
From
$100.29
Schneider Electric
FAL-221001027
FAL-221001027
In Stock
From
$235.79
Schneider Electric
FAL-36002M
FAL-36002M
In Stock
From
$263.28
Schneider Electric
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.