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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
GNS3125T33WP09
GNS3125T33WP09
Limited Stock
From
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Cutler Hammer
1250
600
GNS316T33WP35
GNS316T33WP35
Limited Stock
From
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Cutler Hammer
1600
600
HBAX1025
HBAX1025
Limited Stock
From
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Cutler Hammer
25
240
HBAX1035
HBAX1035
Limited Stock
From
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Cutler Hammer
35
240
HQNPL2020
HQNPL2020
Limited Stock
From
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Cutler Hammer
20
240
NH361000AB
NH361000AB
Limited Stock
From
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Cutler Hammer
1000
600
QB1025EP
QB1025EP
Limited Stock
From
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Cutler Hammer
25
120
QB1025GF
QB1025GF
Limited Stock
From
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Cutler Hammer
25
120
QBGF1015W1
QBGF1015W1
Limited Stock
From
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Cutler Hammer
15
120
QBGF1015W2
QBGF1015W2
Limited Stock
From
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Cutler Hammer
15
120
QBGF1020W2
QBGF1020W2
Limited Stock
From
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Cutler Hammer
20
120
QBGF1025W1
QBGF1025W1
Limited Stock
From
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Cutler Hammer
25
120
QBGF1025W2
QBGF1025W2
Limited Stock
From
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Cutler Hammer
25
120
QBGF1030W1
QBGF1030W1
Limited Stock
From
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Cutler Hammer
30
120
QBGF1030W2
QBGF1030W2
Limited Stock
From
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Cutler Hammer
30
120
QBGF2015W1
QBGF2015W1
Limited Stock
From
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Cutler Hammer
15
240
QBGF2020W1
QBGF2020W1
Limited Stock
From
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Cutler Hammer
20
240
QBGFEP1025W1
QBGFEP1025W1
Limited Stock
From
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Eaton
25
120
QBGFEP2025W1
QBGFEP2025W1
Limited Stock
From
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Eaton
25
240
QBH1025EP
QBH1025EP
Limited Stock
From
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Cutler Hammer
25
120
QBH1025GF
QBH1025GF
Limited Stock
From
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Cutler Hammer
25
240
QBHGF2020
QBHGF2020
Limited Stock
From
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Eaton
20
240
QBHGF2025
QBHGF2025
Limited Stock
From
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Eaton
25
240
QC2010H
QC2010H
Limited Stock
From
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Cutler Hammer
10
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.