1. Home / 
  2. All Categories / 
  3. Circuit Breaker

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
ZBN 18:UNBEDRUCKT
ZBN 18:UNBEDRUCKT
In Stock
From
$15.12
Phoenix Contact
-
-
ZFK-2.5
ZFK-2.5
In Stock
From
$0.74
Phoenix Contact
-
-
ZFK-4-HESI-6.3X32
ZFK-4-HESI-6.3X32
Limited Stock
From
Get Price
Phoenix Contact
-
-
ZSR
ZSR
In Stock
From
$1.39
Phoenix Contact
-
-
DFK-MSTB 2,5/10-G-5,08
DFK-MSTB 2,5/10-G-5,08
In Stock
From
$16.16
Phoenix Contact
-
-
EBP  3- 5
EBP 3- 5
In Stock
From
$1.01
Phoenix Contact
-
-
TMC 61C 40A
TMC 61C 40A
In Stock
From
$55.45
Phoenix Contact
40
1
TMC 62C 06A
TMC 62C 06A
In Stock
From
$62.54
Phoenix Contact
6
2
TMC 63C 20A
TMC 63C 20A
In Stock
From
$178.90
Phoenix Contact
20
3
STEP-PS/ 1AC/24DC/1.75
STEP-PS/ 1AC/24DC/1.75
In Stock
From
$107.20
Phoenix Contact
-
-
UDK 4-PE
UDK 4-PE
In Stock
From
$23.23
Phoenix Contact
-
-
UK  1,5 N
UK 1,5 N
In Stock
From
$12.39
Phoenix Contact
-
-
UK  5-MTK
UK 5-MTK
In Stock
From
$8.87
Phoenix Contact
-
-
UK 2,5 B
UK 2,5 B
In Stock
From
$1.17
Phoenix Contact
-
-
UT 4-QUATTRO BU
UT 4-QUATTRO BU
In Stock
From
$4.50
Phoenix Contact
-
-
0201511
0201511
In Stock
From
$2.52
Phoenix Contact
-
-
09021011
09021011
In Stock
From
$2.27
Phoenix Contact
-
-
1052028-0101
1052028-0101
In Stock
From
$1.09
Phoenix Contact
-
-
1B-IL-SSI-INC-PLSET
1B-IL-SSI-INC-PLSET
In Stock
From
$18.13
Phoenix Contact
-
-
2749903
2749903
In Stock
From
$84.34
Phoenix Contact
-
-
2797971
2797971
Limited Stock
From
Get Price
Phoenix Contact
-
-
2866145
2866145
In Stock
From
$71.28
Phoenix Contact
-
-
2880341
2880341
In Stock
From
$230.44
Phoenix Contact
-
-
29 12 358
29 12 358
In Stock
From
$11.80
Phoenix Contact
-
-
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