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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.
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Part Number
PRICE
Manufacturer
Amperage
Poles
WLH1Z312
WLH1Z312
In Stock
From
$3,218.60
Siemens
1200
3
WLN2A316
WLN2A316
In Stock
From
Get Price
Siemens
1600
3
134-117
134-117
In Stock
From
$145.44
Siemens
-
-
31-1905-01
31-1905-01
In Stock
From
$38.57
Siemens
-
-
3NE8003-1
3NE8003-1
In Stock
From
$181.62
Siemens
-
-
3RA2933-3FA00
3RA2933-3FA00
In Stock
From
$47.89
Siemens
-
-
3RB2913-0AA1
3RB2913-0AA1
In Stock
From
$46.51
Siemens
-
-
3RE1923-1CB2
3RE1923-1CB2
In Stock
From
$18.27
Siemens
-
-
3SB3801-2DF3
3SB3801-2DF3
In Stock
From
$317.50
Siemens
-
-
3SB3921-0AB
3SB3921-0AB
In Stock
From
$4.29
Siemens
-
-
3SB3931-0AA
3SB3931-0AA
In Stock
From
$11.67
Siemens
-
-
3SU1801-0AA00-0AB2
3SU1801-0AA00-0AB2
Limited Stock
From
Get Price
Siemens
-
-
3SU1852-0AA00-0AB1
3SU1852-0AA00-0AB1
In Stock
From
$31.69
Siemens
-
-
3TA2LG600LD
3TA2LG600LD
In Stock
From
$345.25
Siemens
-
-
3TF4022-0BB4
3TF4022-0BB4
In Stock
From
$153.22
Siemens
-
-
3TX4490-0W
3TX4490-0W
In Stock
From
$6.73
Siemens
-
-
3TX4490-3H
3TX4490-3H
Limited Stock
From
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Siemens
-
-
3TX7402-3S
3TX7402-3S
In Stock
From
$95.49
Siemens
-
-
3TX7462-2F
3TX7462-2F
In Stock
From
$45.22
Siemens
-
-
3TX7686-1A
3TX7686-1A
In Stock
From
$4,355.17
Siemens
-
-
3VU1340-1MF00
3VU1340-1MF00
In Stock
From
$99.09
Siemens
-
-
49EB22G0161406R
49EB22G0161406R
In Stock
From
$1,351.38
Siemens
-
-
4MLKA3A
4MLKA3A
In Stock
From
$249.56
Siemens
-
-
567-352
567-352
In Stock
From
$287.86
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.

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