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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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Amperage
Poles
MDN4083LEA0722NMNF2NNHNCX
MDN4083LEA0722NMNF2NNHNCX
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNHNPX
MDN4083LEA0722NMNF2NNHNPX
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNHNSX
MDN4083LEA0722NMNF2NNHNSX
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNHNWX
MDN4083LEA0722NMNF2NNHNWX
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKCAX
MDN4083LEA0722NMNF2NNKCAX
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKCCX
MDN4083LEA0722NMNF2NNKCCX
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKCPX
MDN4083LEA0722NMNF2NNKCPX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKCSX
MDN4083LEA0722NMNF2NNKCSX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKCWX
MDN4083LEA0722NMNF2NNKCWX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKDAX
MDN4083LEA0722NMNF2NNKDAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKDCX
MDN4083LEA0722NMNF2NNKDCX
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKDPX
MDN4083LEA0722NMNF2NNKDPX
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKDSX
MDN4083LEA0722NMNF2NNKDSX
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKDWX
MDN4083LEA0722NMNF2NNKDWX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKMAX
MDN4083LEA0722NMNF2NNKMAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKMCX
MDN4083LEA0722NMNF2NNKMCX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKMPX
MDN4083LEA0722NMNF2NNKMPX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKMSX
MDN4083LEA0722NMNF2NNKMSX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKMWX
MDN4083LEA0722NMNF2NNKMWX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKNAX
MDN4083LEA0722NMNF2NNKNAX
Limited Stock
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKNCX
MDN4083LEA0722NMNF2NNKNCX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKNPX
MDN4083LEA0722NMNF2NNKNPX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKNSX
MDN4083LEA0722NMNF2NNKNSX
Limited Stock
From
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Cutler Hammer
800
3
MDN4083LEA0722NMNF2NNKNWX
MDN4083LEA0722NMNF2NNKNWX
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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