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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
HJ3T225
HJ3T225
In Stock
From
$116.55
Siemens
-
3
HJ3T400
HJ3T400
In Stock
From
$225.22
Siemens
-
3
HK3T800
HK3T800
In Stock
From
$856.10
Siemens
-
3
HKB3B100
HKB3B100
In Stock
From
$2,294.58
Siemens
1000
3
HKB3B120
HKB3B120
In Stock
From
$2,443.15
ITE
1200
3
HKB3B600
HKB3B600
In Stock
From
$1,774.35
Siemens
600
3
HKB3B700
HKB3B700
In Stock
From
$4,401.65
ITE
700
3
HKB3B800
HKB3B800
In Stock
From
$1,137.30
ITE
800
3
HKB3B900
HKB3B900
In Stock
From
$8,261.08
Siemens
900
3
HL2B450
HL2B450
In Stock
From
$1,976.61
Siemens
450
2
HL2B500
HL2B500
In Stock
From
$1,045.80
Siemens
500
2
HP3T600
HP3T600
In Stock
From
$1,726.18
Siemens
-
3
HP3T800
HP3T800
In Stock
From
$1,160.21
Siemens
-
3
J2B225
J2B225
In Stock
From
$5.58
ITE
225
2
J3B175
J3B175
In Stock
From
$723.07
Siemens
175
3
J6N12
J6N12
In Stock
From
$2,315.18
Siemens
400
-
JD63K
JD63K
In Stock
From
$739.98
Siemens
-
-
JFC3M300
JFC3M300
In Stock
From
$102.14
Siemens
300
3
JJ3K
JJ3K
In Stock
From
$487.08
Siemens
-
-
JK2B175
JK2B175
In Stock
From
$721.11
ITE
175
2
JKL2B125
JKL2B125
In Stock
From
$831.06
Siemens
125
2
JKL2B175
JKL2B175
In Stock
From
$831.06
Siemens
175
2
JKL2B400
JKL2B400
In Stock
From
$151.93
Siemens
400
2
JKL3B100
JKL3B100
In Stock
From
$797.30
Siemens
100
3
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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