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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
FS340090A
FS340090A
In Stock
From
$390.04
Thomas & Betts
90
3
FS340100A
FS340100A
In Stock
From
$419.20
Thomas & Betts
100
3
FS340150B
FS340150B
In Stock
From
$763.98
Thomas & Betts
150
3
FS360015A
FS360015A
In Stock
From
$166.54
Thomas & Betts
15
3
FS360125A
FS360125A
In Stock
From
$458.50
Thomas & Betts
125
3
LSB320400E
LSB320400E
In Stock
From
$950.83
Cutler Hammer
400
3
LSB360350E
LSB360350E
In Stock
From
$786.12
Thomas & Betts
350
3
LSB360400E
LSB360400E
In Stock
From
$682.41
Thomas & Betts
400
3
LSB360600E
LSB360600E
In Stock
From
$918.98
Thomas & Betts
600
3
Q20
Q20
In Stock
From
$8.09
Siemens
20
1
Q25
Q25
In Stock
From
$34.71
Siemens
25
1
Q30
Q30
In Stock
From
$29.45
Siemens
30
1
QB15
QB15
In Stock
From
$21.45
Zinsco
15
1
QB40
QB40
In Stock
From
$31.70
Thomas & Betts
40
1
QC-40
QC-40
In Stock
From
$40.45
Sylvania
40
2
QCAL100
QCAL100
In Stock
From
$157.63
Thomas & Betts
100
2
QCAL125
QCAL125
In Stock
From
$368.44
Thomas & Betts
125
2
QCAL70
QCAL70
In Stock
From
$109.91
Zinsco
70
2
QCAL90
QCAL90
In Stock
From
$116.56
Zinsco
90
2
QCB20
QCB20
In Stock
From
$78.56
Thomas & Betts
20
2
QCB30
QCB30
In Stock
From
$169.70
Zinsco
30
2
R3840
R3840
In Stock
From
$51.08
Zinsco
40
2
RC3815
RC3815
In Stock
From
$20.48
Zinsco
15
2
RC3850
RC3850
In Stock
From
$64.20
Zinsco
50
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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