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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
QBGFEP2030W1
QBGFEP2030W1
In Stock
From
$320.75
Eaton
30
240
QBHGFT1030
QBHGFT1030
In Stock
From
$230.72
Eaton
30
240
QBHGFT2025
QBHGFT2025
Limited Stock
From
Get Price
Cutler Hammer
25
240
QBHW1015
QBHW1015
In Stock
From
$19.75
Eaton
15
240
QBHW1025
QBHW1025
In Stock
From
$44.90
Eaton
25
240
QBHW1035
QBHW1035
In Stock
From
$51.48
Eaton
35
240
QBHW1040
QBHW1040
In Stock
From
$28.62
Eaton
40
240
QBHW1050
QBHW1050
In Stock
From
$52.81
Eaton
50
240
QBHW1070
QBHW1070
In Stock
From
$88.66
Eaton
70
240
QBHW2100H
QBHW2100H
In Stock
From
$163.77
Eaton
100
240
QBHW2100S
QBHW2100S
In Stock
From
$711.84
Cutler Hammer
100
240
QBHW3015H
QBHW3015H
In Stock
From
$92.09
Eaton
15
240
QBHW3020H
QBHW3020H
In Stock
From
$185.24
Eaton
20
240
QBHW3020HS
QBHW3020HS
In Stock
From
$259.34
Eaton
20
240
QBHW3025H
QBHW3025H
In Stock
From
$123.79
Cutler Hammer
25
240
QBHW3030HV
QBHW3030HV
In Stock
From
$821.27
Eaton
30
240
QBHW3035H
QBHW3035H
In Stock
From
$236.69
Cutler Hammer
35
240
QBHW3040H
QBHW3040H
In Stock
From
$106.13
Eaton
40
240
QBHW3050H
QBHW3050H
In Stock
From
$95.05
Eaton
50
240
QBHW3070H
QBHW3070H
In Stock
From
$185.01
Eaton
70
240
QBHW3100HS
QBHW3100HS
In Stock
From
$355.15
Cutler Hammer
100
240
QBL22100
QBL22100
In Stock
From
$324.23
Square D
100
240
QBL22175
QBL22175
In Stock
From
$325.21
Square D
175
240
QBL32000S22
QBL32000S22
In Stock
From
$792.47
Square D
200
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.