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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
FS320015
FS320015
Limited Stock
From
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Thomas & Betts
15
240
FS320020
FS320020
Limited Stock
From
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Cutler Hammer
20
240
FS320045
FS320045
Limited Stock
From
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Cutler Hammer
45
240
FS340030
FS340030
Limited Stock
From
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Thomas & Betts
30
480
FS340050
FS340050
Limited Stock
From
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Thomas & Betts
50
480
FS340125
FS340125
Limited Stock
From
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Thomas & Betts
125
480
FS360015
FS360015
Limited Stock
From
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Cutler Hammer
15
600
FS360030
FS360030
Limited Stock
From
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Thomas & Betts
30
600
GFCB225
GFCB225
Limited Stock
From
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Cutler Hammer
25
240
GFTCBH120
GFTCBH120
Limited Stock
From
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Cutler Hammer
20
120
GFTCBH125
GFTCBH125
Limited Stock
From
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Cutler Hammer
25
120
GFTCBH130
GFTCBH130
Limited Stock
From
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Cutler Hammer
30
120
GI3020D
GI3020D
Limited Stock
From
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Cutler Hammer
20
480
GI3025
GI3025
Limited Stock
From
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Cutler Hammer
25
480
GI3025D
GI3025D
Limited Stock
From
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Cutler Hammer
25
480
GI3035
GI3035
Limited Stock
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Cutler Hammer
35
480
GI3040D
GI3040D
Limited Stock
From
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Cutler Hammer
40
480
GI3045
GI3045
Limited Stock
From
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Cutler Hammer
45
480
GI3060D
GI3060D
Limited Stock
From
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Cutler Hammer
60
480
GI3070
GI3070
Limited Stock
From
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Cutler Hammer
70
480
GI3080
GI3080
Limited Stock
From
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Cutler Hammer
80
480
GI3090
GI3090
Limited Stock
From
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Cutler Hammer
90
480
GI3100
GI3100
Limited Stock
From
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Cutler Hammer
100
480
GLC4250AAM
GLC4250AAM
Limited Stock
From
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Cutler Hammer
250
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.