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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
MG27531
MG27531
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Schneider Electric
-
-
MG27533
MG27533
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Schneider Electric
-
-
MG27536
MG27536
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Schneider Electric
-
-
MG27553
MG27553
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Schneider Electric
-
-
MG27566
MG27566
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Schneider Electric
-
-
MG27567
MG27567
Limited Stock
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Schneider Electric
-
-
MG27569
MG27569
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Schneider Electric
-
-
MG27571
MG27571
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Schneider Electric
-
-
MG27572
MG27572
In Stock
From
$107.90
Schneider Electric
-
-
MG27632
MG27632
Limited Stock
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Schneider Electric
-
-
MG27636
MG27636
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Schneider Electric
-
-
MG27658
MG27658
Limited Stock
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Schneider Electric
-
-
MG27783
MG27783
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Schneider Electric
-
-
MG27789
MG27789
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Schneider Electric
-
-
MG27792
MG27792
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Schneider Electric
-
-
MG27805
MG27805
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Schneider Electric
-
-
MG27885
MG27885
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Schneider Electric
-
-
MG27991
MG27991
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Schneider Electric
-
-
QBL22100LU
QBL22100LU
In Stock
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Square D
100
240
QBL22100LW
QBL22100LW
In Stock
From
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Square D
100
240
20542
20542
In Stock
From
$38.72
Square D
2
250
60260
60260
In Stock
From
$52.30
Square D
8
240
60262
60262
In Stock
From
$97.82
Square D
13
240
60265
60265
In Stock
From
$80.16
Square D
25
240
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.