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
JT3225T
JT3225T
In Stock
From
$338.08
Eaton
-
3
KDC3250LSI
KDC3250LSI
In Stock
From
$1,572.07
Eaton
250
3
KI3400F
KI3400F
In Stock
From
$55.56
Westinghouse
400
3
LDC3600LS
LDC3600LS
In Stock
From
$2,351.21
Eaton
600
3
MDNSHTR3P
MDNSHTR3P
In Stock
From
$412.88
Eaton
-
-
MES3800LSIG
MES3800LSIG
In Stock
From
$3,716.43
Eaton
-
3
NGS208033E
NGS208033E
In Stock
From
$5,620.31
Eaton
800
2
NL300
NL300
In Stock
From
$38.44
Eaton
-
-
NZM6B-63/ZM6-12-80-OBI-CNA
NZM6B-63/ZM6-12-80-OBI-CNA
In Stock
From
$331.27
Eaton
12
3
NZM6B-63/ZM6-6.6-32-OBI-CNA
NZM6B-63/ZM6-6.6-32-OBI-CNA
In Stock
From
$265.44
Eaton
6.6
3
NZM6B-63/ZM6-6.6-50-OBI-CNA
NZM6B-63/ZM6-6.6-50-OBI-CNA
In Stock
From
$452.20
Eaton
6.6
3
NZM7-80N-NA
NZM7-80N-NA
In Stock
From
$387.27
Eaton
80
3
NZM7A-60N-NA
NZM7A-60N-NA
In Stock
From
$189.01
Eaton
60
3
NZM7A-80N-NA
NZM7A-80N-NA
Limited Stock
From
Get Price
Eaton
80
3
NZM7A-90N-NA
NZM7A-90N-NA
Limited Stock
From
Get Price
Eaton
100
3
NZM9-250/ZM9A-125-NA
NZM9-250/ZM9A-125-NA
In Stock
From
$1,078.75
Eaton
125
3
NZMB1-4-A20
NZMB1-4-A20
In Stock
From
$141.40
Klockner Moeller
20
4
NZMB1-4-A40
NZMB1-4-A40
Limited Stock
From
Get Price
Eaton
40
4
NZMB1-4-A80
NZMB1-4-A80
Limited Stock
From
Get Price
Klockner Moeller
80
4
NZMB1-A125-NA
NZMB1-A125-NA
In Stock
From
$2,196.88
Eaton
125
3
NZMB1-A20
NZMB1-A20
Limited Stock
From
Get Price
Eaton
20
3
NZMB1-A25-NA
NZMB1-A25-NA
In Stock
From
$378.00
Klockner Moeller
25
3
NZMB1-A32-NA
NZMB1-A32-NA
In Stock
From
$977.49
Klockner Moeller
32
3
NZMB1-A40
NZMB1-A40
In Stock
From
$685.17
Klockner Moeller
40
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