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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
K7U4
K7U4
In Stock
From
$1,610.10
ABB
-
-
KA362251042
KA362251042
In Stock
From
$433.04
Square D
225
3
KAL36000
KAL36000
In Stock
From
$490.13
Square D
225
3
KAM3225
KAM3225
In Stock
From
$2,279.23
Westinghouse
225
3
KCDPKB
KCDPKB
In Stock
From
$249.99
Cutler Hammer
-
-
KES3125LSI
KES3125LSI
In Stock
From
$1,056.05
Cutler Hammer
-
3
KHL362501685
KHL362501685
In Stock
From
$6,950.46
Square D
250
3
KP3T120
KP3T120
In Stock
From
$512.00
ITE
-
3
KPB3F120
KPB3F120
In Stock
From
$79.07
ITE
1200
3
KPRL4JDT
KPRL4JDT
In Stock
From
$580.90
Westinghouse
-
-
KPRL4ND
KPRL4ND
In Stock
From
$2,062.96
Westinghouse
-
-
KQ10B110
KQ10B110
Limited Stock
From
Get Price
Square D
10
1
KQ10D316
KQ10D316
Limited Stock
From
Get Price
Square D
16
3
KS3400TA
KS3400TA
In Stock
From
$0.02
Cutler Hammer
-
3
KS360400D
KS360400D
In Stock
From
$1,149.11
Cutler Hammer
400
3
KT2100T
KT2100T
In Stock
From
$209.75
Eaton
-
2
KT2175T
KT2175T
In Stock
From
$331.52
Eaton
-
2
KT2250T
KT2250T
In Stock
From
$346.60
Cutler Hammer
-
2
KT2300T
KT2300T
In Stock
From
$216.21
Eaton
-
2
KT3S4
KT3S4
In Stock
From
$152.54
ABB
-
-
KT5S8
KT5S8
In Stock
From
$320.99
ABB
-
-
KTS3S9
KTS3S9
In Stock
From
$2,248.31
ABB
-
-
KW3315V
KW3315V
In Stock
From
$555.56
Eaton
315
3
KXT5RHESTFP
KXT5RHESTFP
In Stock
From
$86.59
ABB
-
-
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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