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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
MP350
MP350
In Stock
From
$59.34
Murray
50
3
MP370
MP370
In Stock
From
$52.13
Siemens
70
3
MP380
MP380
In Stock
From
$71.09
Murray Corporation
80
3
ND63T120
ND63T120
In Stock
From
$1,301.67
Siemens
-
3
NEB3B025B
NEB3B025B
In Stock
From
$2,624.55
Siemens
25
3
NEB3B040B
NEB3B040B
In Stock
From
$1,468.73
Siemens
40
3
NEF213030
NEF213030
In Stock
From
$49.22
Federal Pacific
30
1
NGB2B035B
NGB2B035B
In Stock
From
$172.19
Siemens
35
2
NGB3B025B
NGB3B025B
In Stock
From
$337.23
Siemens
25
3
NGB3B045B
NGB3B045B
In Stock
From
$462.83
Siemens
45
3
NGB3B125B
NGB3B125B
In Stock
From
$596.43
Siemens
125
3
NMG3B600L
NMG3B600L
In Stock
From
$3,844.48
Siemens
600
3
NXD63B120H
NXD63B120H
In Stock
From
$3,966.93
Siemens
1200
3
PD63F160
PD63F160
In Stock
From
$3,650.89
Siemens
1600
3
PD63T140
PD63T140
In Stock
From
$2,059.06
Siemens
-
3
PGA36120U41A
PGA36120U41A
In Stock
From
$10,695.14
Square D
1200
3
PGA36120U44A
PGA36120U44A
In Stock
From
$14,312.06
Schneider Electric
1200
3
PGL36100U41A
PGL36100U41A
In Stock
From
$7,459.18
Square D
1000
3
PJA36100U41A
PJA36100U41A
In Stock
From
$13,049.13
Square D
1000
3
PJA36120U43AYP
PJA36120U43AYP
In Stock
From
$14,110.45
Square D
1200
3
PJL36120U41A
PJL36120U41A
In Stock
From
$8,445.99
Square D
1200
3
PKA36040CU44ABD
PKA36040CU44ABD
In Stock
From
$666.67
Schneider Electric
400
3
Q120DF
Q120DF
In Stock
From
$75.91
Siemens
20
1
QA115AF
QA115AF
In Stock
From
$46.26
Siemens
15
1
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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