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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
MDN4083LEA0522NMNRNENHDWX
MDN4083LEA0522NMNRNENHDWX
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENHMAX
MDN4083LEA0522NMNRNENHMAX
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENHMCX
MDN4083LEA0522NMNRNENHMCX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENHMPX
MDN4083LEA0522NMNRNENHMPX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENHMSX
MDN4083LEA0522NMNRNENHMSX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENHMWX
MDN4083LEA0522NMNRNENHMWX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENHNAX
MDN4083LEA0522NMNRNENHNAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENHNCX
MDN4083LEA0522NMNRNENHNCX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENHNPX
MDN4083LEA0522NMNRNENHNPX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENHNSX
MDN4083LEA0522NMNRNENHNSX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENHNWX
MDN4083LEA0522NMNRNENHNWX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENKCAX
MDN4083LEA0522NMNRNENKCAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENKCCX
MDN4083LEA0522NMNRNENKCCX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENKCPX
MDN4083LEA0522NMNRNENKCPX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENKCSX
MDN4083LEA0522NMNRNENKCSX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENKCWX
MDN4083LEA0522NMNRNENKCWX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENKDAX
MDN4083LEA0522NMNRNENKDAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENKDCX
MDN4083LEA0522NMNRNENKDCX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENKDPX
MDN4083LEA0522NMNRNENKDPX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENKDSX
MDN4083LEA0522NMNRNENKDSX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENKDWX
MDN4083LEA0522NMNRNENKDWX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENKMAX
MDN4083LEA0522NMNRNENKMAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENKMCX
MDN4083LEA0522NMNRNENKMCX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNRNENKMPX
MDN4083LEA0522NMNRNENKMPX
Limited Stock
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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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