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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.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Voltage
QBH1015CAF
QBH1015CAF
In Stock
From
$276.13
Eaton
15
240
QBH1015GF
QBH1015GF
In Stock
From
$661.97
Eaton
15
240
QBH1020GF
QBH1020GF
In Stock
From
$245.04
Cutler Hammer
20
240
QBH20
QBH20
In Stock
From
$37.24
Eaton
20
120
QBH220
QBH220
In Stock
From
$78.01
Commander
20
120
QBHW3015HT
QBHW3015HT
In Stock
From
$128.93
Eaton
15
240
QBM22175TN
QBM22175TN
In Stock
From
$641.54
Square D
175
240
QBP22100TM
QBP22100TM
In Stock
From
$348.58
Square D
100
240
QBP22200TM
QBP22200TM
In Stock
From
$327.27
Square D
200
240
QBP32100TM
QBP32100TM
In Stock
From
$393.91
Square D
100
240
QCD2030
QCD2030
In Stock
From
$44.89
Eaton
30
240
QCF1010T
QCF1010T
In Stock
From
$27.51
Cutler Hammer
10
240
QCF1030
QCF1030
In Stock
From
$28.91
Cutler Hammer
30
240
QCF3030H
QCF3030H
In Stock
From
$81.70
Cutler Hammer
30
240
QCGFEP1020
QCGFEP1020
In Stock
From
$206.61
Cutler Hammer
20
120
QCGFEP2020
QCGFEP2020
In Stock
From
$457.73
Eaton
20
240
QCGFT1020
QCGFT1020
In Stock
From
$156.52
Cutler Hammer
20
120
QCR1010T
QCR1010T
In Stock
From
$48.77
Cutler Hammer
10
120
QCR1020
QCR1020
In Stock
From
$36.60
Eaton
20
120
QCR2015HT
QCR2015HT
In Stock
From
$189.99
Eaton
15
240
QCR2045
QCR2045
In Stock
From
$27.09
Cutler Hammer
45
240
QCR3015H
QCR3015H
In Stock
From
$195.94
Eaton
15
240
QGA221002
QGA221002
In Stock
From
$647.99
Square D
100
240
QGA221004
QGA221004
In Stock
From
$483.03
Square D
100
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.