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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
BQ130KM
BQ130KM
Limited Stock
From
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Murray Corporation
30
277
BQ235
BQ235
Limited Stock
From
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Sylvania
35
240
BW125JAGU-3P050
BW125JAGU-3P050
Limited Stock
From
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Fuji Electric
-
-
C-115
C-115
Limited Stock
From
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Challenger
-
-
CD2125
CD2125
Limited Stock
From
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Challenger
125
240
CD2150
CD2150
Limited Stock
From
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Challenger
150
240
CD2150X
CD2150X
Limited Stock
From
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Challenger
150
240
CD2175
CD2175
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From
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Challenger
175
240
CD2225
CD2225
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From
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Challenger
225
240
CD3225WK
CD3225WK
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From
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Challenger
225
240
CH140-FULL-NOTCH
CH140-FULL-NOTCH
Limited Stock
From
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Cutler Hammer
40
120
CHF260ST
CHF260ST
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From
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Eaton
60
240
CHGF115
CHGF115
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From
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Eaton
15
120
CHGF120
CHGF120
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From
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Eaton
20
120
EF3A10
EF3A10
Limited Stock
From
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Siemens
10
480
EHB63080L
EHB63080L
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From
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ABB
-
-
EQP115
EQP115
Limited Stock
From
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ITE
-
-
EQP130
EQP130
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From
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ITE
-
-
EQP220
EQP220
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From
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ITE
-
-
EQP250
EQP250
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From
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ITE
-
-
EQP315
EQP315
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From
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ITE
-
-
EQP320
EQP320
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From
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ITE
-
-
EQP350
EQP350
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From
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ITE
-
-
ET2100
ET2100
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From
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Siemens
-
-
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.