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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
FG3050S27
FG3050S27
Limited Stock
From
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Cutler Hammer
50
600
FG3050S28
FG3050S28
Limited Stock
From
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Eaton
50
600
FG3050S29
FG3050S29
Limited Stock
From
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Eaton
50
600
FG3050S30
FG3050S30
Limited Stock
From
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Cutler Hammer
50
600
FG3050S31
FG3050S31
Limited Stock
From
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Westinghouse
50
600
FG3050S32
FG3050S32
Limited Stock
From
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Westinghouse
50
600
FG3060S01
FG3060S01
Limited Stock
From
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Cutler Hammer
60
600
FG3060S03
FG3060S03
Limited Stock
From
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Cutler Hammer
60
600
FG3060S04
FG3060S04
Limited Stock
From
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Cutler Hammer
60
600
FG3060S05
FG3060S05
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From
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Cutler Hammer
60
600
FG3060S06
FG3060S06
Limited Stock
From
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Cutler Hammer
60
600
FG3060S07
FG3060S07
Limited Stock
From
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Westinghouse
60
600
FG3060S08
FG3060S08
Limited Stock
From
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Westinghouse
60
600
FG3060S09
FG3060S09
Limited Stock
From
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Westinghouse
60
600
FG3060S10
FG3060S10
Limited Stock
From
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Cutler Hammer
60
600
FG3060S11
FG3060S11
Limited Stock
From
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Eaton
60
600
FG3060S12
FG3060S12
Limited Stock
From
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Westinghouse
60
600
FG3060S13
FG3060S13
Limited Stock
From
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Cutler Hammer
60
600
FG3060S14
FG3060S14
Limited Stock
From
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Westinghouse
60
600
FG3060S15
FG3060S15
Limited Stock
From
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Westinghouse
60
600
FG3060S16
FG3060S16
Limited Stock
From
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Eaton
60
600
FG3060S19
FG3060S19
Limited Stock
From
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Cutler Hammer
60
600
FG3060S20
FG3060S20
Limited Stock
From
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Cutler Hammer
60
600
FG3060S21
FG3060S21
Limited Stock
From
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Eaton
60
600
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.