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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
BAB2045HT
BAB2045HT
Limited Stock
From
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Eaton
45
240
BAB2050HT
BAB2050HT
Limited Stock
From
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Eaton
50
240
BAB2060HT
BAB2060HT
Limited Stock
From
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Eaton
60
240
BAB2125S
BAB2125S
Limited Stock
From
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Eaton
125
240
BAB3030HS1
BAB3030HS1
Limited Stock
From
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Eaton
30
240
CHLD3600T107W
CHLD3600T107W
Limited Stock
From
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Westinghouse
600
600
DK3125
DK3125
Limited Stock
From
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Cutler Hammer
125
240
DK3175
DK3175
Limited Stock
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Cutler Hammer
175
240
DK3200
DK3200
Limited Stock
From
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Westinghouse
200
240
DK3225
DK3225
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Eaton
225
240
FD3010
FD3010
Limited Stock
From
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Eaton
10
600
GHB3035S1
GHB3035S1
Limited Stock
From
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Eaton
35
480
GHB3045S1
GHB3045S1
Limited Stock
From
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Eaton
45
480
HKD3300V
HKD3300V
Limited Stock
From
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Eaton
300
600
HKD3350V
HKD3350V
Limited Stock
From
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Eaton
350
600
HMDL3350
HMDL3350
Limited Stock
From
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Eaton
350
600
HMDL3450
HMDL3450
Limited Stock
From
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Westinghouse
450
600
HMDL3500
HMDL3500
Limited Stock
From
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Westinghouse
500
600
LD3125T56W
LD3125T56W
Limited Stock
From
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Westinghouse
125
600
LD3250T56W
LD3250T56W
Limited Stock
From
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Westinghouse
250
600
CRD320T36W
CRD320T36W
Limited Stock
From
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Eaton
2000
600
BAB3050HS1
BAB3050HS1
Limited Stock
From
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Eaton
50
240
CHLD3250T77W
CHLD3250T77W
Limited Stock
From
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Eaton
250
600
CKD3400T57WPN
CKD3400T57WPN
Limited Stock
From
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Eaton
400
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.