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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.
Popular Categories
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Poles
FS340070A
FS340070A
In Stock
From
$388.65
Cutler Hammer
70
3
FS340100A
FS340100A
In Stock
From
$539.74
Thomas & Betts
100
3
FS340125B
FS340125B
In Stock
From
$480.40
Thomas & Betts
125
3
FS360090A
FS360090A
In Stock
From
$169.11
Thomas & Betts
90
3
FS360100A
FS360100A
In Stock
From
$336.70
Thomas & Betts
100
3
LSB360400E
LSB360400E
In Stock
From
$1,139.69
Thomas & Betts
400
3
Q15
Q15
In Stock
From
$17.66
Siemens
15
1
Q25
Q25
In Stock
From
$22.22
Siemens
25
1
Q30
Q30
In Stock
From
$24.90
Siemens
30
1
QB15
QB15
In Stock
From
$15.50
Zinsco
15
1
QB30
QB30
In Stock
From
$14.19
Zinsco
30
1
QB40
QB40
In Stock
From
$20.29
Thomas & Betts
40
1
QB50
QB50
In Stock
From
$16.37
Zinsco
50
1
QC-15
QC-15
In Stock
From
$20.43
Sylvania
15
2
QC-40
QC-40
In Stock
From
$40.45
Sylvania
40
2
QCAL100
QCAL100
In Stock
From
$157.63
Thomas & Betts
100
2
QCAL60
QCAL60
In Stock
From
$78.42
Zinsco
60
2
QCAL70
QCAL70
In Stock
From
$96.04
Zinsco
70
2
QCB20
QCB20
In Stock
From
$89.15
Thomas & Betts
20
2
R3840
R3840
In Stock
From
$42.92
Zinsco
40
2
RC3850
RC3850
In Stock
From
$24.49
Zinsco
50
2
TB115
TB115
In Stock
From
$25.67
Thomas & Betts
15
1
TB120
TB120
In Stock
From
$25.38
Thomas & Betts
20
1
TB120C
TB120C
In Stock
From
$25.38
Thomas & Betts
20
1
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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