1. Home / 
  2. All Categories / 
  3. Circuit-Breakers

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
NGB3K090B
NGB3K090B
In Stock
From
$660.09
Siemens
90
3
NGB3K100B
NGB3K100B
In Stock
From
$737.99
Siemens
100
3
NGB3K125B
NGB3K125B
In Stock
From
$1,034.50
Siemens
125
3
NGC308032E
NGC308032E
In Stock
From
$14,260.97
Eaton
-
-
NMG3B600L
NMG3B600L
In Stock
From
$3,442.72
Siemens
600
3
NNG3B120
NNG3B120
In Stock
From
$41,624.16
Siemens
1200
3
NNG3B800
NNG3B800
In Stock
From
$6,623.68
Siemens
800
3
NXD63B120L
NXD63B120L
In Stock
From
$3,339.18
Siemens
1200
3
PD63T140
PD63T140
In Stock
From
$2,036.31
Siemens
-
3
PGA36100YP
PGA36100YP
In Stock
From
$3,402.54
Square D
1000
3
PJA36060U44AYP
PJA36060U44AYP
In Stock
From
$13,821.59
Square D
600
3
PJA36080U63AE1YP
PJA36080U63AE1YP
In Stock
From
$10,721.70
Square D
800
3
PJA36100U43ABC
PJA36100U43ABC
In Stock
From
$4,850.00
Schneider Electric
1000
3
PJA36100U44AYP
PJA36100U44AYP
In Stock
From
$13,596.19
Schneider Electric
1000
3
PJL36120U41A
PJL36120U41A
In Stock
From
$8,400.98
Square D
1200
3
PK3GTA1
PK3GTA1
In Stock
From
$20.15
Square D
-
-
PKA36040CU44ABD
PKA36040CU44ABD
In Stock
From
$666.67
Schneider Electric
400
3
PKA36100U31AYP
PKA36100U31AYP
In Stock
From
$7,641.52
Schneider Electric
1000
3
PLA34025U44AE1YP
PLA34025U44AE1YP
In Stock
From
$17,072.82
Schneider Electric
250
3
PLA34040U44ASA
PLA34040U44ASA
In Stock
From
$6,285.91
Square D
400
3
PLA34080U43AE1AC
PLA34080U43AE1AC
In Stock
From
$14,010.00
Square D
800
3
PLA34080U64AE1YP
PLA34080U64AE1YP
In Stock
From
$16,219.18
Square D
800
3
PLA34080YP
PLA34080YP
In Stock
From
$17,072.82
Schneider Electric
800
3
PLA34100BD
PLA34100BD
In Stock
From
$8,258.06
Schneider Electric
1000
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