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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
HLW2B400L
HLW2B400L
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Siemens
400
2
HLW2B500L
HLW2B500L
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Siemens
500
2
HNG4B100
HNG4B100
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Siemens
1000
3
HNG4B100B
HNG4B100B
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Siemens
1000
3
HNG4B100L
HNG4B100L
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Siemens
1000
3
HNG4B120
HNG4B120
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Siemens
1200
3
HNG4B120B
HNG4B120B
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Siemens
1200
3
HNG4B120L
HNG4B120L
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Siemens
1200
3
HNG4B800
HNG4B800
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Siemens
800
3
HNG4B800B
HNG4B800B
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Siemens
800
3
HNG4B800L
HNG4B800L
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Siemens
800
3
HNG4B900
HNG4B900
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Siemens
900
3
HNG4B900B
HNG4B900B
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Siemens
900
3
HNG4B900L
HNG4B900L
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Siemens
900
3
HNH4B100
HNH4B100
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Siemens
1000
4
HNH4B100L
HNH4B100L
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Siemens
1000
4
HNH4B120
HNH4B120
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Siemens
1200
4
HNH4B120L
HNH4B120L
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Siemens
1200
4
HNH4B800
HNH4B800
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Siemens
800
4
HNH4B800L
HNH4B800L
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Siemens
800
4
HNH4B900
HNH4B900
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Siemens
900
4
HNH4B900L
HNH4B900L
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Siemens
900
4
HP2B120
HP2B120
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Siemens
1200
2
HP2B160
HP2B160
Limited Stock
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Siemens
1600
2
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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