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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
MDN4083LEA0522NMNNNENKMPX
MDN4083LEA0522NMNNNENKMPX
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKMSX
MDN4083LEA0522NMNNNENKMSX
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKMWX
MDN4083LEA0522NMNNNENKMWX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKNAX
MDN4083LEA0522NMNNNENKNAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKNCX
MDN4083LEA0522NMNNNENKNCX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKNPX
MDN4083LEA0522NMNNNENKNPX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKNSX
MDN4083LEA0522NMNNNENKNSX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENKNWX
MDN4083LEA0522NMNNNENKNWX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLCAX
MDN4083LEA0522NMNNNENLCAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLCCX
MDN4083LEA0522NMNNNENLCCX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLCPX
MDN4083LEA0522NMNNNENLCPX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLCSX
MDN4083LEA0522NMNNNENLCSX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLCWX
MDN4083LEA0522NMNNNENLCWX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLDAX
MDN4083LEA0522NMNNNENLDAX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLDCX
MDN4083LEA0522NMNNNENLDCX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLDPX
MDN4083LEA0522NMNNNENLDPX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLDSX
MDN4083LEA0522NMNNNENLDSX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLDWX
MDN4083LEA0522NMNNNENLDWX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLMAX
MDN4083LEA0522NMNNNENLMAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLMCX
MDN4083LEA0522NMNNNENLMCX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLMPX
MDN4083LEA0522NMNNNENLMPX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLMSX
MDN4083LEA0522NMNNNENLMSX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLMWX
MDN4083LEA0522NMNNNENLMWX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0522NMNNNENLNAX
MDN4083LEA0522NMNNNENLNAX
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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