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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
EB1100L
EB1100L
Limited Stock
From
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Westinghouse
100
120
EB1100LK
EB1100LK
Limited Stock
From
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Cutler Hammer
100
120
FG3090S01
FG3090S01
Limited Stock
From
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Eaton
90
600
HGHC1025
HGHC1025
Limited Stock
From
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Eaton
25
277
HGHC1030
HGHC1030
Limited Stock
From
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Cutler Hammer
30
277
HMCP600L6WZ04
HMCP600L6WZ04
Limited Stock
From
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Cutler Hammer
600
600
JDCM3250D5MWA06
JDCM3250D5MWA06
Limited Stock
From
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Eaton
250
1000
KS36040YD
KS36040YD
Limited Stock
From
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Cutler Hammer
400
600
LDM3600F
LDM3600F
Limited Stock
From
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Westinghouse
600
600
LG3450S47
LG3450S47
Limited Stock
From
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Westinghouse
450
600
NGH712038EC
NGH712038EC
Limited Stock
From
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Eaton
-
-
CHQ215GF
CHQ215GF
Limited Stock
From
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Eaton
-
-
HJD3125P
HJD3125P
Limited Stock
From
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Eaton
-
-
HJD3175P
HJD3175P
Limited Stock
From
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Eaton
-
-
HKD3125P
HKD3125P
Limited Stock
From
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Eaton
-
-
JD3200P
JD3200P
Limited Stock
From
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Eaton
-
-
LD3600FP
LD3600FP
Limited Stock
From
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Eaton
-
-
BR2110H
BR2110H
Limited Stock
From
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Westinghouse
110
240
ED2025LBP10
ED2025LBP10
Limited Stock
From
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Eaton
25
240
ED2025LVBP10
ED2025LVBP10
Limited Stock
From
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Eaton
25
240
ED2040LBP10
ED2040LBP10
Limited Stock
From
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Eaton
40
240
ED2060LVBP10
ED2060LVBP10
Limited Stock
From
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Eaton
60
240
ED2125LVBP10
ED2125LVBP10
Limited Stock
From
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Eaton
125
240
ED2150LVBP10
ED2150LVBP10
Limited Stock
From
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Eaton
150
240
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.