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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
HBB63
HBB63
In Stock
From
$292.90
Siemens
HFR3S250
HFR3S250
In Stock
From
$2,657.20
Siemens
HH64
HH64
In Stock
From
$243.25
Siemens
I1224ML1100
I1224ML1100
In Stock
From
$155.54
Siemens
MC1224B1125EFC
MC1224B1125EFC
In Stock
From
$689.04
Siemens
MM0406L1200ESC
MM0406L1200ESC
In Stock
From
$811.89
Siemens
MW1224B1100FG
MW1224B1100FG
In Stock
From
$680.25
Siemens
P1A42MC250C
P1A42MC250C
In Stock
From
$1,048.39
Siemens
P1SCRWS
P1SCRWS
In Stock
From
$11.62
Siemens
Q115DFN
Q115DFN
In Stock
From
$72.06
Siemens
Q120M
Q120M
In Stock
From
$8.40
Siemens
QA120AFCNL
QA120AFCNL
In Stock
From
$63.68
Siemens
QA120AFCP
QA120AFCP
In Stock
From
$74.79
Siemens
QF120AN
QF120AN
In Stock
From
$41.25
Siemens
QG22000S01
QG22000S01
In Stock
From
$354.75
Siemens
RHVLBM
RHVLBM
In Stock
From
$364.61
Siemens
RPT4040X1200
RPT4040X1200
In Stock
From
$242.34
Siemens
W0204MB1100
W0204MB1100
In Stock
From
$96.96
Siemens
W30648
W30648
In Stock
From
$32.02
Siemens
WBMFFM
WBMFFM
In Stock
From
$1,098.40
Siemens
08SB500
08SB500
In Stock
From
$106.01
Siemens
08SB600
08SB600
In Stock
From
$385.33
Siemens
08SB800
08SB800
In Stock
From
$243.62
Siemens
12SB1000
12SB1000
In Stock
From
$3.56
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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