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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
NEF431090AB
NEF431090AB
Limited Stock
From
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American
90
480
NEF431100AB
NEF431100AB
Limited Stock
From
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American
100
480
NEF213100
NEF213100
Limited Stock
From
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Federal Pacific
100
277
NE114025
NE114025
Limited Stock
From
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American
25
120
NE114035
NE114035
Limited Stock
From
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American
35
120
NE114040
NE114040
Limited Stock
From
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American
40
120
NE114045
NE114045
Limited Stock
From
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Federal Pacific
45
120
NE114050
NE114050
Limited Stock
From
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Federal Pacific
50
120
NE114060
NE114060
Limited Stock
From
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Federal Pacific
60
120
NE117015
NE117015
Limited Stock
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American
15
120
NE117025
NE117025
Limited Stock
From
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American
25
120
NE117030
NE117030
Limited Stock
From
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American
30
120
NE117035
NE117035
Limited Stock
From
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Federal Pacific
35
120
NE117040
NE117040
Limited Stock
From
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Federal Pacific
40
120
NE117045
NE117045
Limited Stock
From
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Federal Pacific
45
120
NE117050
NE117050
Limited Stock
From
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Federal Pacific
50
120
NE117060
NE117060
Limited Stock
From
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American
60
120
NEF212020
NEF212020
Limited Stock
From
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American
20
277
NFJ631090R
NFJ631090R
Limited Stock
From
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Federal Pacific
90
600
NFJ631100R
NFJ631100R
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From
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Federal Pacific
100
600
NFJ631250R
NFJ631250R
Limited Stock
From
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American
250
600
NFJ633125
NFJ633125
Limited Stock
From
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American
125
480
NFJ633225
NFJ633225
Limited Stock
From
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American
225
480
NJL621200
NJL621200
Limited Stock
From
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American
200
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.