1. Home / 
  2. All Categories / 
  3. Circuit-Breakers

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
CJ3B175
CJ3B175
In Stock
From
$847.91
Siemens
175
3
CJ3B250
CJ3B250
In Stock
From
$2,118.08
Siemens
250
3
CJ3B300
CJ3B300
In Stock
From
$1,121.06
ITE
300
3
CJ3F400
CJ3F400
In Stock
From
$19.73
ITE
400
3
CJ3L400
CJ3L400
In Stock
From
$1,580.00
ITE
400
3
CJ3S400
CJ3S400
In Stock
From
$773.10
Siemens
400
3
CJ500N
CJ500N
In Stock
From
$342.30
Merlin Gerin
500
3
CJ600H
CJ600H
In Stock
From
$768.44
Square D
600
3
CJ600NA
CJ600NA
In Stock
From
$1,225.69
Merlin Gerin
600
3
CJAL36304
CJAL36304
In Stock
From
$604.32
Merlin Gerin
300
3
CJD62B400
CJD62B400
In Stock
From
$2,422.45
Siemens
400
2
CJD63B250
CJD63B250
In Stock
From
$2,359.41
Siemens
250
3
CJD63H400L
CJD63H400L
In Stock
From
$3,322.25
Siemens
400
3
CJD63L400
CJD63L400
In Stock
From
$1,941.88
Siemens
400
3
CK1000L
CK1000L
In Stock
From
$4,551.37
Square D
1000
3
CK31000EE
CK31000EE
In Stock
From
$1,170.82
Federal Horizon
1000
3
CK31000H
CK31000H
In Stock
From
$1,162.10
Federal Horizon
1000
3
CK31000HH
CK31000HH
In Stock
From
$1,150.49
Federal Horizon
1000
3
CK3400E
CK3400E
In Stock
From
$950.18
Federal Pacific
400
3
CK3400EE
CK3400EE
In Stock
From
$2,039.18
Federal Pioneer
400
3
CK3B090
CK3B090
In Stock
From
$917.42
Siemens
90
3
CK3B100
CK3B100
In Stock
From
$766.80
Siemens
100
3
CK3B125
CK3B125
In Stock
From
$354.11
Siemens
125
3
CK3B150
CK3B150
In Stock
From
$1,280.16
ITE
150
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.

Learn More