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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
JL63T300
JL63T300
In Stock
From
$244.21
Siemens
-
3
JXD23B200H
JXD23B200H
In Stock
From
$7,703.73
Siemens
200
3
KM3T600
KM3T600
In Stock
From
$332.27
Siemens
-
3
LD62T450
LD62T450
In Stock
From
$395.23
Siemens
-
2
LD62T600
LD62T600
In Stock
From
$449.78
Siemens
-
2
LJ63B450
LJ63B450
In Stock
From
$458.49
ITE
450
3
LJ63B500
LJ63B500
Limited Stock
From
Get Price
ITE
500
3
LL3T500
LL3T500
In Stock
From
$424.77
Siemens
-
3
LMD62T500
LMD62T500
In Stock
From
$711.62
Siemens
-
2
LMD62T600
LMD62T600
In Stock
From
$4,946.27
Siemens
-
2
LMD62T800
LMD62T800
In Stock
From
$715.31
Siemens
-
2
LNX3T100
LNX3T100
In Stock
From
$24,510.00
Siemens
1000
3
MBK3150R
MBK3150R
In Stock
From
$1,374.95
Siemens
150
3
MBKED3100
MBKED3100
In Stock
From
$1,485.61
Siemens
100
3
MBKFD3150
MBKFD3150
In Stock
From
$2,447.60
Siemens
150
3
MBKFD3200
MBKFD3200
In Stock
From
$2,556.12
Siemens
200
3
MBKFD3225
MBKFD3225
In Stock
From
$1,966.62
Siemens
225
3
MBKJD1
MBKJD1
In Stock
From
$2,121.60
Siemens
-
-
MBKJD1400
MBKJD1400
In Stock
From
$9,404.63
Siemens
400
2
MBKJD3400
MBKJD3400
In Stock
From
$3,858.89
Siemens
400
3
MBKQJ1125
MBKQJ1125
In Stock
From
$238.04
Siemens
125
2
MBKQJ1150
MBKQJ1150
In Stock
From
$348.10
Siemens
150
2
MBKQJ1225
MBKQJ1225
In Stock
From
$1,440.94
Siemens
225
2
MBKQJ3125
MBKQJ3125
In Stock
From
$409.85
Siemens
125
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.

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