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Circuit Breaker

For power distribution and electrical protection systems, circuit breakers are among the most critical components for safeguarding equipment, personnel, and facilities from electrical overloads and short circuits. Circuit breakers automatically interrupt electrical current flow when abnormal conditions are detected, protecting circuits from damage while allowing manual reset and continued operation. Electrical.com carries an extensive selection of 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
Poles
MDN4083LEA0522NMNRNNNKNCX
MDN4083LEA0522NMNRNNNKNCX
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNKNPX
MDN4083LEA0522NMNRNNNKNPX
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNKNSX
MDN4083LEA0522NMNRNNNKNSX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNKNWX
MDN4083LEA0522NMNRNNNKNWX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLCAX
MDN4083LEA0522NMNRNNNLCAX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLCCX
MDN4083LEA0522NMNRNNNLCCX
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From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLCPX
MDN4083LEA0522NMNRNNNLCPX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLCSX
MDN4083LEA0522NMNRNNNLCSX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLCWX
MDN4083LEA0522NMNRNNNLCWX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLDAX
MDN4083LEA0522NMNRNNNLDAX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLDCX
MDN4083LEA0522NMNRNNNLDCX
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLDPX
MDN4083LEA0522NMNRNNNLDPX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLDSX
MDN4083LEA0522NMNRNNNLDSX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLDWX
MDN4083LEA0522NMNRNNNLDWX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLMAX
MDN4083LEA0522NMNRNNNLMAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLMCX
MDN4083LEA0522NMNRNNNLMCX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLMPX
MDN4083LEA0522NMNRNNNLMPX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLMSX
MDN4083LEA0522NMNRNNNLMSX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLMWX
MDN4083LEA0522NMNRNNNLMWX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLNAX
MDN4083LEA0522NMNRNNNLNAX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLNCX
MDN4083LEA0522NMNRNNNLNCX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLNPX
MDN4083LEA0522NMNRNNNLNPX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLNSX
MDN4083LEA0522NMNRNNNLNSX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNNNLNWX
MDN4083LEA0522NMNRNNNLNWX
Limited Stock
From
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Cutler Hammer
800
3
Popular Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified circuit protection equipment available for immediate shipment. From residential to industrial applications, across all voltage and amperage ratings, we have what you need when others say no. Our comprehensive circuit breaker inventory spans all voltage classes, amperage ratings, and pole configurations 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 circuit breakers serve critical applications across manufacturing facilities, commercial buildings, data centers, healthcare facilities, utilities and power generation, industrial plants, residential construction, telecommunications infrastructure, and process control installations.


Whether you're maintaining legacy equipment with obsolete circuit breaker models or sourcing current production components for new electrical systems, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime and keep your operations running. Need 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.

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