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
LMD65K
LMD65K
In Stock
From
$1,239.23
Siemens
-
-
MBK225
MBK225
In Stock
From
$269.11
Siemens
225
2
MBKED3125
MBKED3125
In Stock
From
$5,040.95
Siemens
125
3
MBKQJ1
MBKQJ1
In Stock
From
$268.66
Siemens
-
-
MBKQJ1200
MBKQJ1200
In Stock
From
$938.92
Siemens
200
2
MBKQJ3
MBKQJ3
In Stock
From
$538.14
Siemens
-
-
MBKQJ3200
MBKQJ3200
In Stock
From
$1,900.73
Siemens
200
3
MD62T700
MD62T700
In Stock
From
$2,090.17
Siemens
-
2
MD62T800
MD62T800
In Stock
From
$2,697.84
Siemens
-
2
MLKA3
MLKA3
In Stock
From
Get Price
Siemens
-
-
MND61
MND61
In Stock
From
$2,014.36
Siemens
1200
-
MND63
MND63
In Stock
From
$4,146.07
Siemens
1200
-
MQJ3125
MQJ3125
In Stock
From
$415.69
Murray
125
3
MSE6
MSE6
In Stock
From
$14.84
Siemens
-
-
ND62T900
ND62T900
In Stock
From
$2,473.85
Siemens
-
2
P1520
P1520
In Stock
From
$78.06
Siemens
20
2
P1A30MC250CT
P1A30MC250CT
In Stock
From
$400.44
Siemens
250
-
P1E42MC250CT
P1E42MC250CT
In Stock
From
$396.52
Siemens
250
-
P1E42MC400CT
P1E42MC400CT
In Stock
From
$1,403.87
Siemens
400
-
P1E54MC250AT
P1E54MC250AT
In Stock
From
$788.10
Siemens
250
-
P1X42MC250CT
P1X42MC250CT
In Stock
From
$515.53
Siemens
250
-
P2020
P2020
In Stock
From
$105.69
Siemens
20
2
PC2637
PC2637
In Stock
From
$184.34
Siemens
-
-
PC4754
PC4754
In Stock
From
$346.46
Siemens
-
-
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