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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
FG3070S15
FG3070S15
Limited Stock
From
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Westinghouse
70
600
FG3070S16
FG3070S16
Limited Stock
From
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Cutler Hammer
70
600
FG3070S17
FG3070S17
Limited Stock
From
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Eaton
70
600
FG3070S19
FG3070S19
Limited Stock
From
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Cutler Hammer
70
600
FG3070S20
FG3070S20
Limited Stock
From
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Eaton
70
600
FG3070S21
FG3070S21
Limited Stock
From
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Eaton
70
600
FG3070S22
FG3070S22
Limited Stock
From
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Westinghouse
70
600
FG3070S23
FG3070S23
Limited Stock
From
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Westinghouse
70
600
FG3070S24
FG3070S24
Limited Stock
From
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Cutler Hammer
70
600
FG3070S25
FG3070S25
Limited Stock
From
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Cutler Hammer
70
600
FG3070S26
FG3070S26
Limited Stock
From
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Cutler Hammer
70
600
FG3070S27
FG3070S27
Limited Stock
From
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Westinghouse
70
600
FG3070S28
FG3070S28
Limited Stock
From
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Cutler Hammer
70
600
FG3070S29
FG3070S29
Limited Stock
From
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Westinghouse
70
600
FG3070S30
FG3070S30
Limited Stock
From
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Westinghouse
70
600
FG3070S31
FG3070S31
Limited Stock
From
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Cutler Hammer
70
600
FG3070S32
FG3070S32
Limited Stock
From
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Westinghouse
70
600
FG3080S03
FG3080S03
Limited Stock
From
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Westinghouse
80
600
FG3080S04
FG3080S04
Limited Stock
From
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Westinghouse
80
600
FG3080S05
FG3080S05
Limited Stock
From
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Cutler Hammer
80
600
FG3080S06
FG3080S06
Limited Stock
From
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Westinghouse
80
600
FG3080S07
FG3080S07
Limited Stock
From
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Westinghouse
80
600
FG3080S08
FG3080S08
Limited Stock
From
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Westinghouse
80
600
FG3080S09
FG3080S09
Limited Stock
From
Get Price
Cutler Hammer
80
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.