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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
NE221035
NE221035
Limited Stock
From
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American
35
240
3P45
3P45
Limited Stock
From
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Federal Pacific
45
240
NA3P45
NA3P45
Limited Stock
From
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Federal Pacific
45
240
NEF113015
NEF113015
Limited Stock
From
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Federal Pacific
15
120
225
225
Limited Stock
From
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American
25
240
NE231060
NE231060
Limited Stock
From
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Federal Pacific
60
240
NEF421025
NEF421025
Limited Stock
From
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Federal Pacific
25
480
NFJ631080R
NFJ631080R
Limited Stock
From
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American
80
600
NFJ631125NA
NFJ631125NA
Limited Stock
From
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American
125
600
NFJ631250
NFJ631250
Limited Stock
From
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Federal Pacific
250
600
NJL621150
NJL621150
Limited Stock
From
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Federal Pacific
150
600
NJL621175
NJL621175
Limited Stock
From
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Federal Pacific
175
600
NJL621225
NJL621225
Limited Stock
From
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Federal Pacific
225
600
NJL621350
NJL621350
Limited Stock
From
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American
350
600
2P110
2P110
Limited Stock
From
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Federal Pacific
110
240
NBN221035
NBN221035
Limited Stock
From
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Federal Pacific
35
240
NBN221045
NBN221045
Limited Stock
From
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Federal Pacific
45
240
NBN221060
NBN221060
Limited Stock
From
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American
60
240
NEF433010R
NEF433010R
Limited Stock
From
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Federal Pacific
10
480
NEF433025R
NEF433025R
Limited Stock
From
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American
25
480
NEF433035R
NEF433035R
Limited Stock
From
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Federal Pacific
35
480
NEF433060R
NEF433060R
Limited Stock
From
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Federal Pacific
60
480
NEF433080R
NEF433080R
Limited Stock
From
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Federal Pacific
80
480
NEF434020
NEF434020
Limited Stock
From
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American
20
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.