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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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K3333301
K3333301
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Agilent
K3GN-PDC-FLK 24VDC
K3GN-PDC-FLK 24VDC
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Omron
K3TX-VA21B
K3TX-VA21B
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Omron
KBWC-18
KBWC-18
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KB Electronics
KD/SG-24/4
KD/SG-24/4
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Harting
KD1204PKVX
KD1204PKVX
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Sunon
KD2406PTB1(2).GN
KD2406PTB1(2).GN
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Sunon
KD2412PMSX-6A
KD2412PMSX-6A
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Sunon
KDE1204PFV2.11.MS.AF.GN
KDE1204PFV2.11.MS.AF.GN
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Sunon
KDE1206PHV2.MS.A.GN
KDE1206PHV2.MS.A.GN
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Sunon
KDE1212PMBX-6A
KDE1212PMBX-6A
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Sunon
KDRB45L
KDRB45L
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Transfab
KE63.3
KE63.3
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Ensto
KG-4269-120V
KG-4269-120V
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Seifert Systems
KG100-T203/01-E
KG100-T203/01-E
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Kraus & Naimer
KG10A T202/D-W005
KG10A T202/D-W005
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Kraus & Naimer
KG20A K300/USA001 VE
KG20A K300/USA001 VE
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Kraus & Naimer
KG32A-T203/USA001
KG32A-T203/USA001
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Kraus & Naimer
KGS-PC 4/12-F
KGS-PC 4/12-F
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Phoenix Contact
KJ2201X1-JA1
KJ2201X1-JA1
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Emerson
KL1503
KL1503
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Rittal
KL1567
KL1567
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Rittal
KL29AA-BR
KL29AA-BR
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Sealcon
KL3013X1-BA1
KL3013X1-BA1
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Emerson
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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