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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
Q243070THD
Q243070THD
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Zinsco
70
3
Q243080THD
Q243080THD
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Zinsco
80
3
Q243090THD
Q243090THD
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Zinsco
90
3
QB15AUX
QB15AUX
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Zinsco
15
1
QB20AUX
QB20AUX
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Zinsco
20
1
QB242015
QB242015
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Zinsco
15
2
QB243080
QB243080
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Zinsco
80
3
QB243090
QB243090
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Zinsco
90
3
QB25
QB25
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Zinsco
25
1
QB260
QB260
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Zinsco
60
2
QB270
QB270
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Zinsco
70
2
QB30AUX
QB30AUX
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Zinsco
30
1
QB35
QB35
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Thomas & Betts
35
1
QB45
QB45
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Thomas & Betts
45
1
QC15FFP
QC15FFP
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Zinsco
15
2
QC30FFP
QC30FFP
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Zinsco
30
2
QCAL100SS
QCAL100SS
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Zinsco
100
2
QCAL110
QCAL110
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Zinsco
110
2
QCAL125H
QCAL125H
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Thomas & Betts
125
2
QCAL125SS
QCAL125SS
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Zinsco
125
2
QCAL80
QCAL80
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Thomas & Betts
80
2
QCB100CP
QCB100CP
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Zinsco
100
2
QCB125
QCB125
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Zinsco
125
2
QCB2100
QCB2100
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Zinsco
100
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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