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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
QCD2100H
QCD2100H
Limited Stock
From
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Cutler Hammer
100
240
QCF1030T
QCF1030T
Limited Stock
From
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Cutler Hammer
30
240
QCF1035
QCF1035
Limited Stock
From
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Cutler Hammer
35
240
QCF1045
QCF1045
Limited Stock
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Cutler Hammer
45
240
QCF1055
QCF1055
Limited Stock
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Cutler Hammer
55
240
QCF1060
QCF1060
Limited Stock
From
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Cutler Hammer
60
240
QCF2015H
QCF2015H
Limited Stock
From
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Cutler Hammer
15
240
QCF2015HT
QCF2015HT
Limited Stock
From
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Cutler Hammer
15
240
QCF2020H
QCF2020H
Limited Stock
From
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Cutler Hammer
20
240
QCF2025H
QCF2025H
Limited Stock
From
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Cutler Hammer
25
240
QCF2055
QCF2055
Limited Stock
From
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Cutler Hammer
55
240
QCF3015HT
QCF3015HT
Limited Stock
From
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Cutler Hammer
15
240
QCF3020HT
QCF3020HT
Limited Stock
From
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Cutler Hammer
20
240
QCF3025H
QCF3025H
Limited Stock
From
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Cutler Hammer
25
240
QCF3025HT
QCF3025HT
Limited Stock
From
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Cutler Hammer
25
240
QCFH1020
QCFH1020
Limited Stock
From
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Cutler Hammer
20
240
QCFH2015
QCFH2015
Limited Stock
From
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Cutler Hammer
15
240
QCFH2015T
QCFH2015T
Limited Stock
From
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Cutler Hammer
15
240
QCFH2020
QCFH2020
Limited Stock
From
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Cutler Hammer
20
240
QCFH2020T
QCFH2020T
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From
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Cutler Hammer
20
240
QCGF1010
QCGF1010
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Cutler Hammer
10
120
QCGF1015SED
QCGF1015SED
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From
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Cutler Hammer
15
120
QCGF1015W1
QCGF1015W1
Limited Stock
From
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Cutler Hammer
15
120
QCGF1015W2
QCGF1015W2
Limited Stock
From
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Cutler Hammer
15
120
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.