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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
SFA2080AB
SFA2080AB
Limited Stock
From
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Square D
80
750
SFA2080AC
SFA2080AC
Limited Stock
From
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Square D
80
750
SFA2080B
SFA2080B
Limited Stock
From
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Square D
80
750
SFA2080BC
SFA2080BC
Limited Stock
From
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Square D
80
750
SFA2080C
SFA2080C
Limited Stock
From
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Square D
80
750
SFA2100A
SFA2100A
Limited Stock
From
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Square D
100
750
SFA2100AC
SFA2100AC
Limited Stock
From
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Square D
100
750
SFA2100B
SFA2100B
Limited Stock
From
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Square D
100
750
SFA2100C
SFA2100C
Limited Stock
From
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Square D
100
750
SFA3016
SFA3016
Limited Stock
From
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Square D
16
750
SFH3016
SFH3016
Limited Stock
From
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Square D
16
750
SFH3020
SFH3020
Limited Stock
From
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Square D
20
750
SFH3032
SFH3032
Limited Stock
From
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Square D
32
750
SFH3040
SFH3040
Limited Stock
From
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Square D
40
750
SFH3050
SFH3050
Limited Stock
From
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Square D
50
750
SFH3080
SFH3080
Limited Stock
From
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Square D
80
750
SFH3100
SFH3100
Limited Stock
From
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Square D
100
750
SFHL2032
SFHL2032
Limited Stock
From
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Schneider Electric
32
415
SFHL3032
SFHL3032
Limited Stock
From
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Square D
32
415
SFI3020
SFI3020
Limited Stock
From
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Square D
20
750
SFI3032
SFI3032
Limited Stock
From
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Square D
32
750
SFI3040
SFI3040
Limited Stock
From
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Square D
40
750
SFI3050
SFI3050
Limited Stock
From
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Square D
50
750
SFI3063
SFI3063
Limited Stock
From
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Square D
63
750
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.