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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
GCH2040
GCH2040
Limited Stock
From
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Cutler Hammer
40
600
GCH2045
GCH2045
Limited Stock
From
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Westinghouse
45
600
GCH2050
GCH2050
Limited Stock
From
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Cutler Hammer
50
600
GCH2060
GCH2060
Limited Stock
From
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Cutler Hammer
60
600
GCH2070
GCH2070
Limited Stock
From
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Westinghouse
70
600
GCH2080
GCH2080
Limited Stock
From
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Westinghouse
80
600
GCH2090
GCH2090
Limited Stock
From
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Westinghouse
90
600
GCH2100
GCH2100
Limited Stock
From
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Cutler Hammer
100
600
HKD3175P
HKD3175P
Limited Stock
From
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Eaton
-
-
181060F
181060F
Limited Stock
From
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Eaton
-
-
185050F
185050F
Limited Stock
From
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Eaton
-
-
323MB3
323MB3
Limited Stock
From
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Eaton
-
-
ALB201
ALB201
Limited Stock
From
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Eaton
-
-
AM2S-B2B3-LA-15-D-A-52
AM2S-B2B3-LA-15-D-A-52
Limited Stock
From
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Eaton
-
-
AM3-A8-A-0030-10E
AM3-A8-A-0030-10E
Limited Stock
From
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Eaton
-
-
CD1-A3DUW-15-120/240-1
CD1-A3DUW-15-120/240-1
Limited Stock
From
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Eaton
-
-
CD1-G3-U-015
CD1-G3-U-015
Limited Stock
From
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Eaton
-
-
CD1-G3-U-040
CD1-G3-U-040
Limited Stock
From
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Eaton
-
-
CD2-B3DUW-15-125-3
CD2-B3DUW-15-125-3
Limited Stock
From
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Eaton
-
-
CF1-H3U-W
CF1-H3U-W
Limited Stock
From
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Eaton
-
-
CH304EE225
CH304EE225
Limited Stock
From
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Eaton
-
-
EMBH120
EMBH120
Limited Stock
From
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Eaton
-
-
FD3100LU61
FD3100LU61
Limited Stock
From
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Eaton
-
-
GI 125-50A
GI 125-50A
Limited Stock
From
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Eaton
-
-
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.