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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
QO106ED10
QO106ED10
Limited Stock
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Schneider Electric
QO110319
QO110319
In Stock
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$8.61
Schneider Electric
QO110EC10
QO110EC10
In Stock
From
$25.14
Schneider Electric
QO115C
QO115C
In Stock
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$20.29
Schneider Electric
QO115CP
QO115CP
In Stock
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$27.62
Schneider Electric
QO116EB10
QO116EB10
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Schneider Electric
QO116EB6
QO116EB6
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Schneider Electric
QO116EC10
QO116EC10
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$28.69
Schneider Electric
QO116EC6
QO116EC6
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Schneider Electric
QO120B10RCBO30F
QO120B10RCBO30F
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Schneider Electric
QO120EB10
QO120EB10
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Schneider Electric
QO120EC03
QO120EC03
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Schneider Electric
QO120EC10
QO120EC10
In Stock
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$23.64
Schneider Electric
QO120VSC10
QO120VSC10
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Schneider Electric
QO1252100
QO1252100
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$106.80
Schneider Electric
QO125ED10
QO125ED10
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Schneider Electric
QO132EC10
QO132EC10
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Schneider Electric
QO140C10RCBO30F
QO140C10RCBO30F
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Schneider Electric
QO140ED6
QO140ED6
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Schneider Electric
QO150EB6
QO150EB6
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Schneider Electric
QO150ED10
QO150ED10
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Schneider Electric
QO163EC6
QO163EC6
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Schneider Electric
QO16E26
QO16E26
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Schneider Electric
QO16E39
QO16E39
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Schneider Electric
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.