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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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NPH4P160
NPH4P160
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1600
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NPH4U120
NPH4U120
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1200
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NPH4U160
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1600
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NPH4X120
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1200
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NPH4X160
NPH4X160
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1600
4
NPX3C140
NPX3C140
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Siemens
1400
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NPX3C160
NPX3C160
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1600
3
NPX3P120
NPX3P120
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1200
3
NPX3P160
NPX3P160
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Siemens
1600
3
NPY3C140
NPY3C140
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Siemens
1400
3
NPY3C160
NPY3C160
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Siemens
1600
3
NPY3D120
NPY3D120
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Siemens
1200
3
NPY3D160
NPY3D160
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Siemens
1600
3
NPY3E120
NPY3E120
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Siemens
1200
3
NPY3E140
NPY3E140
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Siemens
1400
3
NPY3E160
NPY3E160
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Siemens
1600
3
NPY3N120
NPY3N120
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Siemens
1200
3
NPY3N160
NPY3N160
Limited Stock
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Siemens
1600
3
NPY3P120
NPY3P120
Limited Stock
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Siemens
1200
3
NPY3U120
NPY3U120
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Siemens
1200
3
NPY3U160
NPY3U160
Limited Stock
From
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Siemens
1600
3
NPY3X120
NPY3X120
Limited Stock
From
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Siemens
1200
3
NPY4N120
NPY4N120
Limited Stock
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Siemens
1200
4
NPY4N160
NPY4N160
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Siemens
1600
4
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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