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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
Q4P3400-1039
Q4P3400-1039
Limited Stock
From
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Square D
400
240
QBE22100TP
QBE22100TP
Limited Stock
From
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Square D
100
240
QBE22125TP
QBE22125TP
Limited Stock
From
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Square D
125
240
QBE22175TP
QBE22175TP
Limited Stock
From
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Square D
150
240
QBE22200TP
QBE22200TP
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Square D
200
240
QBE22225TP
QBE22225TP
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Square D
225
240
QBH2020
QBH2020
Limited Stock
From
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Cutler Hammer
20
240
QBH3125
QBH3125
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Commander
125
240
QBH360
QBH360
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Commander
60
240
QBH380
QBH380
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Commander
80
240
QBH390
QBH390
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Commander
90
240
QBHW20100S
QBHW20100S
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Eaton
100
240
QBHW3025HT
QBHW3025HT
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Cutler Hammer
25
240
QBHW3035HT
QBHW3035HT
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Cutler Hammer
35
240
QBHW3045HT
QBHW3045HT
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Cutler Hammer
45
240
QCGFT2015W1
QCGFT2015W1
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Cutler Hammer
15
240
QCGFT2015W2
QCGFT2015W2
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Cutler Hammer
15
240
QCGFT2025W1
QCGFT2025W1
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Cutler Hammer
25
240
QCGFT2025W2
QCGFT2025W2
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Cutler Hammer
25
240
QCGFT2040W1
QCGFT2040W1
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Cutler Hammer
40
240
QCHW2015S
QCHW2015S
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Cutler Hammer
15
240
QCHW2020S
QCHW2020S
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From
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Cutler Hammer
20
240
QCHW2025S
QCHW2025S
Limited Stock
From
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Cutler Hammer
25
240
QCHW2030S
QCHW2030S
Limited Stock
From
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Cutler Hammer
30
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.