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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
QFP24-100-3
QFP24-100-3
Limited Stock
From
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Challenger
100
240
RC3825
RC3825
Limited Stock
From
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Zinsco
25
240
SE2C015
SE2C015
Limited Stock
From
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Challenger
15
240
SE2C020
SE2C020
Limited Stock
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Challenger
20
240
SE2C025
SE2C025
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Challenger
25
240
SE2C030
SE2C030
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Challenger
30
240
SE2C035
SE2C035
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Sylvania
35
240
SE2C040
SE2C040
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Challenger
40
240
SE2C045
SE2C045
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Sylvania
45
240
SE2C050
SE2C050
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Sylvania
50
240
SE2C060
SE2C060
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Sylvania
60
240
SE2C070
SE2C070
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Sylvania
70
240
SE2C080
SE2C080
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Sylvania
80
240
SE2C090
SE2C090
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Challenger
90
240
SE2C100
SE2C100
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Sylvania
100
240
SE2C125
SE2C125
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Challenger
125
240
SE2C150
SE2C150
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Sylvania
150
240
SE3C015C
SE3C015C
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Sylvania
15
240
SE3C020
SE3C020
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Sylvania
20
240
SE3C020C
SE3C020C
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Sylvania
20
240
SE3C025
SE3C025
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Challenger
25
240
SE3C025C
SE3C025C
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From
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Challenger
25
240
SE3C030C
SE3C030C
Limited Stock
From
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Challenger
30
240
SE3C035
SE3C035
Limited Stock
From
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Sylvania
35
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.