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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
LMXD63B800
LMXD63B800
In Stock
From
$2,418.43
Siemens
800
3
LXD63B450H
LXD63B450H
In Stock
From
$2,663.34
Siemens
450
3
LXD63B500
LXD63B500
In Stock
From
$3,234.42
Siemens
500
3
LXD63B500H
LXD63B500H
In Stock
From
$4,829.06
Siemens
500
3
LXD63B600
LXD63B600
In Stock
From
$1,937.48
Siemens
600
3
LXD63H600
LXD63H600
In Stock
From
$12,853.92
Siemens
600
3
LXD63S600A
LXD63S600A
In Stock
From
$1,363.16
Siemens
600
3
MD63T500
MD63T500
In Stock
From
$1,101.50
Siemens
-
3
MP120GF
MP120GF
In Stock
From
$51.21
Siemens
20
1
MP130
MP130
In Stock
From
$6.59
Siemens
30
1
MP150
MP150
In Stock
From
$2.37
Murray
50
1
MP1515
MP1515
In Stock
From
$12.73
Murray
15
2
MP2125
MP2125
In Stock
From
$49.02
Siemens
125
2
MP315
MP315
In Stock
From
$27.27
Siemens
15
3
MP350
MP350
In Stock
From
$83.70
Murray
50
3
ND63F120
ND63F120
In Stock
From
$6,516.01
Siemens
1200
3
ND63T120
ND63T120
In Stock
From
$1,338.25
Siemens
-
3
NGB3B020B
NGB3B020B
In Stock
From
$443.22
Siemens
20
3
NGB3B040B
NGB3B040B
In Stock
From
$265.61
Siemens
40
3
NGB3B050B
NGB3B050B
In Stock
From
$301.97
Siemens
50
3
NGB3B100B
NGB3B100B
In Stock
From
$466.03
Siemens
100
3
NMG3B800L
NMG3B800L
In Stock
From
$7,754.67
Siemens
800
3
NXD63B120H
NXD63B120H
In Stock
From
$3,346.01
Siemens
1200
3
PD63F160
PD63F160
In Stock
From
$9,090.55
Siemens
1600
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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