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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
NE234125
NE234125
Limited Stock
From
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American
125
240
NE234125SE3
NE234125SE3
Limited Stock
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American
125
240
NE234150
NE234150
Limited Stock
From
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American
150
240
NE234150SE3
NE234150SE3
Limited Stock
From
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American
150
240
NE237125
NE237125
Limited Stock
From
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American
125
240
NE237150
NE237150
Limited Stock
From
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Federal Pacific
150
240
NEF211015
NEF211015
Limited Stock
From
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Federal Pacific
15
277
NEF213040
NEF213040
Limited Stock
From
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Federal Pacific
40
277
NEF213050
NEF213050
Limited Stock
From
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Federal Pacific
50
277
NEF213060
NEF213060
Limited Stock
From
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Federal Pacific
60
277
NEF214020
NEF214020
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American
20
277
NEF217025
NEF217025
Limited Stock
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Federal Pacific
25
277
NEF217035
NEF217035
Limited Stock
From
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American
35
277
NEF217045
NEF217045
Limited Stock
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Federal Pacific
45
277
NEF217050
NEF217050
Limited Stock
From
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Federal Pacific
50
277
NEF217060
NEF217060
Limited Stock
From
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American
60
277
NEF217070
NEF217070
Limited Stock
From
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American
70
277
NEF217080
NEF217080
Limited Stock
From
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Federal Pacific
80
277
NEF217090
NEF217090
Limited Stock
From
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Federal Pacific
90
277
NEF425060
NEF425060
Limited Stock
From
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American
60
480
NEF425125
NEF425125
Limited Stock
From
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Federal Pacific
125
480
NEF425125NA
NEF425125NA
Limited Stock
From
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Federal Pacific
125
480
NEF425150
NEF425150
Limited Stock
From
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Federal Pacific
150
480
NEF425150NA
NEF425150NA
Limited Stock
From
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Federal Pacific
150
480
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.