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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
HDA36090UD
HDA36090UD
In Stock
From
$1,080.28
Square D
90
3
HDA36090UH
HDA36090UH
In Stock
From
$1,080.28
Square D
90
3
HDA36090UJ
HDA36090UJ
In Stock
From
$1,080.28
Square D
90
3
HDA36090UK
HDA36090UK
In Stock
From
$1,080.28
Square D
90
3
HDA36090UN
HDA36090UN
In Stock
From
$1,080.28
Square D
90
3
HDA36090UO
HDA36090UO
In Stock
From
$1,080.28
Square D
90
3
HDA36090UP
HDA36090UP
In Stock
From
$1,080.28
Square D
90
3
HDA36090UR
HDA36090UR
In Stock
From
$1,080.28
Square D
90
3
HDA36090US
HDA36090US
In Stock
From
$1,080.28
Square D
90
3
HDA36100SD
HDA36100SD
In Stock
From
$427.28
Square D
100
3
HDA36100SH
HDA36100SH
In Stock
From
$424.55
Square D
100
3
HDA36100SJ
HDA36100SJ
In Stock
From
$422.88
Square D
100
3
HDA36100SL
HDA36100SL
In Stock
From
$422.90
Square D
100
3
HDA36100SN
HDA36100SN
In Stock
From
$427.68
Square D
100
3
HDA36100SP
HDA36100SP
In Stock
From
$425.46
Square D
100
3
HDA36100SR
HDA36100SR
In Stock
From
$426.90
Square D
100
3
HDA36100SV
HDA36100SV
In Stock
From
$426.49
Square D
100
3
HDA36100U44XYP
HDA36100U44XYP
In Stock
From
$1,557.58
Square D
100
3
HDA36100UA
HDA36100UA
In Stock
From
$429.83
Square D
100
3
HDA36100UD
HDA36100UD
In Stock
From
$426.06
Square D
100
3
HDA36100UH
HDA36100UH
In Stock
From
$423.95
Square D
100
3
HDA36100UJ
HDA36100UJ
In Stock
From
$422.55
Square D
100
3
HDA36100UK
HDA36100UK
In Stock
From
$1,557.58
Square D
100
3
HDA36100UN
HDA36100UN
In Stock
From
$427.42
Square D
100
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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