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
3SU1802-0AA00-0AB1
3SU1802-0AA00-0AB1
In Stock
From
$16.37
Siemens
3SU1802-0NA00-2AB2
3SU1802-0NA00-2AB2
Limited Stock
From
Get Price
Siemens
3SU1804-0AA00-0AB1
3SU1804-0AA00-0AB1
Limited Stock
From
Get Price
Siemens
3SU1851-0AA00-0AB1
3SU1851-0AA00-0AB1
Limited Stock
From
Get Price
Siemens
3SU1851-0AA00-0AB2
3SU1851-0AA00-0AB2
In Stock
From
$98.90
Siemens
3SU1851-0NB00-2AA2
3SU1851-0NB00-2AA2
Limited Stock
From
Get Price
Siemens
3SU1851-0NB00-2AC2
3SU1851-0NB00-2AC2
In Stock
From
$227.89
Siemens
3SU1930-0FA80-0AA0
3SU1930-0FA80-0AA0
In Stock
From
$7.07
Siemens
3SX1344
3SX1344
In Stock
From
$14.09
Siemens
3TA12JG04
3TA12JG04
In Stock
From
$546.41
Siemens
3TA6JG20
3TA6JG20
In Stock
From
$297.25
Siemens
3TF3411-0AK6
3TF3411-0AK6
In Stock
From
$248.08
Siemens
3TG1001-0BB4
3TG1001-0BB4
In Stock
From
$237.24
Siemens
3TG1010-0AL2
3TG1010-0AL2
In Stock
From
$88.19
Siemens
3TH2031-0AP0
3TH2031-0AP0
In Stock
From
$30.60
Siemens
3TH2040-0AM0
3TH2040-0AM0
Limited Stock
From
Get Price
Siemens
3TH3022-0AP0
3TH3022-0AP0
In Stock
From
$71.80
Siemens
3TH4262-0AJ1
3TH4262-0AJ1
Limited Stock
From
Get Price
Siemens
3TH4262-0AL2
3TH4262-0AL2
In Stock
From
$103.12
Siemens
3TH4355-0AK6
3TH4355-0AK6
In Stock
From
$532.87
Siemens
3TK3930-0B
3TK3930-0B
In Stock
From
$6.06
Siemens
3TX4210-0F
3TX4210-0F
Limited Stock
From
Get Price
Murr Elektronik
3TX4210-0H
3TX4210-0H
In Stock
From
$1.35
Siemens
3TX4210-0M
3TX4210-0M
In Stock
From
$9.24
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