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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
MDN4083LEA0522NMNNNENHDSX
MDN4083LEA0522NMNNNENHDSX
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENHDWX
MDN4083LEA0522NMNNNENHDWX
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENHMAX
MDN4083LEA0522NMNNNENHMAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENHMCX
MDN4083LEA0522NMNNNENHMCX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENHMPX
MDN4083LEA0522NMNNNENHMPX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENHMSX
MDN4083LEA0522NMNNNENHMSX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENHMWX
MDN4083LEA0522NMNNNENHMWX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENHNAX
MDN4083LEA0522NMNNNENHNAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENHNCX
MDN4083LEA0522NMNNNENHNCX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENHNPX
MDN4083LEA0522NMNNNENHNPX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENHNSX
MDN4083LEA0522NMNNNENHNSX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENHNWX
MDN4083LEA0522NMNNNENHNWX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKCAX
MDN4083LEA0522NMNNNENKCAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKCCX
MDN4083LEA0522NMNNNENKCCX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKCPX
MDN4083LEA0522NMNNNENKCPX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKCSX
MDN4083LEA0522NMNNNENKCSX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKCWX
MDN4083LEA0522NMNNNENKCWX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKDAX
MDN4083LEA0522NMNNNENKDAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKDCX
MDN4083LEA0522NMNNNENKDCX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKDPX
MDN4083LEA0522NMNNNENKDPX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKDSX
MDN4083LEA0522NMNNNENKDSX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKDWX
MDN4083LEA0522NMNNNENKDWX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKMAX
MDN4083LEA0522NMNNNENKMAX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKMCX
MDN4083LEA0522NMNNNENKMCX
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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