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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
54443
54443
In Stock
From
$505.84
Merlin Gerin
-
-
54511
54511
In Stock
From
$6.56
Thomas & Betts
-
-
54735
54735
In Stock
From
Get Price
Thomas & Betts
-
-
54750
54750
In Stock
From
$4.56
Merlin Gerin
-
-
54758
54758
In Stock
From
$213.75
Merlin Gerin
-
-
54760
54760
In Stock
From
$22.17
Thomas & Betts
-
-
55529
55529
In Stock
From
$1,176.66
Merlin Gerin
-
-
55557
55557
In Stock
From
$2,086.97
Murr Elektronik
-
-
55560
55560
In Stock
From
$91.42
Merlin Gerin
-
-
55589
55589
In Stock
From
$4.09
Merlin Gerin
-
-
55623
55623
In Stock
From
$19.35
Merlin Gerin
-
-
55741
55741
In Stock
From
$49.02
Rite Hite
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-
55744
55744
In Stock
From
$240.01
Merlin Gerin
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-
56130
56130
Limited Stock
From
Get Price
Schneider Electric
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-
56140
56140
In Stock
From
$190.82
Murr Elektronik
-
-
56200
56200
In Stock
From
$673.92
Schneider Electric
-
-
5685D48G40
5685D48G40
In Stock
From
$2,835.07
Westinghouse
-
3
5ARMLSI
5ARMLSI
In Stock
From
$4,674.31
Cutler Hammer
-
-
5ARMLSIG
5ARMLSIG
In Stock
From
$3,987.53
Cutler Hammer
-
-
5LI
5LI
In Stock
From
$394.30
Cutler Hammer
-
3
5LSI
5LSI
In Stock
From
$710.28
Cutler Hammer
-
-
5LSIG
5LSIG
In Stock
From
$3,135.28
Cutler Hammer
-
-
5SJ4301-7HG42
5SJ4301-7HG42
In Stock
From
$408.30
Siemens
1
3
5SJ4302-8HG42
5SJ4302-8HG42
In Stock
From
$153.20
Siemens
2
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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