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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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KJ4006X1-BK1
KJ4006X1-BK1
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Emerson
KJ4006X1-BW1
KJ4006X1-BW1
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$190.35
Emerson
KJ4110X1-BC1
KJ4110X1-BC1
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Emerson
KL3002X1-BA1
KL3002X1-BA1
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$271.69
Emerson
KL3011X1-BA1
KL3011X1-BA1
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$174.74
Emerson
KL3022X1-BA1
KL3022X1-BA1
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$393.92
Emerson
LPL277Y25-2-Q
LPL277Y25-2-Q
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$80.04
Emerson
LS131
LS131
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Emerson
RLY01709
RLY01709
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$12.12
Emerson
RPACKX00182
RPACKX00182
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Emerson
SLAC-02008LC
SLAC-02008LC
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$42.72
Emerson
STCFM4DRC
STCFM4DRC
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$9.87
Emerson
STFV15010N
STFV15010N
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$403.07
Emerson
STFV30010N
STFV30010N
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$804.55
Emerson
STV100K23Y
STV100K23Y
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Emerson
TMC2X075099A
TMC2X075099A
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$37.49
Emerson
TMC2X100137A
TMC2X100137A
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$51.50
Emerson
XA-1728-4
XA-1728-4
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$12.52
Emerson
781ET25
781ET25
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Emerson
TMC2050099NB
TMC2050099NB
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$77.27
Emerson
ACV120Y200RKE
ACV120Y200RKE
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Emerson
03031-0332-0002
03031-0332-0002
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$111.92
Emerson
098657
098657
In Stock
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$53.58
Emerson
100076269
100076269
In Stock
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$20.70
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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