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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
Q500-2000
Q500-2000
In Stock
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$59.34
Invensys
Q500-4000
Q500-4000
In Stock
From
$41.89
Invensys
R500
R500
In Stock
From
$15.14
Invensys
RE-300
RE-300
In Stock
From
$20.09
Invensys
RM-ODC15
RM-ODC15
In Stock
From
$10.49
Invensys
SS800AB
SS800AB
In Stock
From
$26.22
Invensys
TERM-ECH
TERM-ECH
In Stock
From
$5.58
Invensys
U0117AX11
U0117AX11
In Stock
From
$10.12
Invensys
V438-1000-1
V438-1000-1
In Stock
From
$575.04
Invensys
V508-011-014-0X
V508-011-014-0X
In Stock
From
$260.41
Invensys
ENCL-MZ800-WAL
ENCL-MZ800-WAL
In Stock
From
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Invensys
P0700AF
P0700AF
In Stock
From
$246.67
Invensys
190-050
190-050
In Stock
From
$18.66
Invensys
D420/D/0-10V/LGC/LGC/PS/UP/W.5-HH/22
D420/D/0-10V/LGC/LGC/PS/UP/W.5-HH/22
In Stock
From
$161.46
Invensys
D420/D/1-5V/RLA/RLA/PS/DOWN/1%/HL/11/-
D420/D/1-5V/RLA/RLA/PS/DOWN/1%/HL/11/-
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Invensys
D420/D/4-20MA/RLA/RLA/PS/-/1/HL/01/-
D420/D/4-20MA/RLA/RLA/PS/-/1/HL/01/-
Limited Stock
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Invensys
D420/S/4-20MA/RLA/RLA/PS/-/1%/L/00/-D30624/002/1/1599/A3
D420/S/4-20MA/RLA/RLA/PS/-/1%/L/00/-D30624/002/1/1599/A3
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Invensys
P0700SA
P0700SA
In Stock
From
$64.85
Invensys
T920B/SEQU
T920B/SEQU
Limited Stock
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Invensys
8260
8260
Limited Stock
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Invensys
AK-52309
AK-52309
In Stock
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Invensys
AM-681
AM-681
In Stock
From
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Invensys
1020-2007
1020-2007
In Stock
From
$74.07
Invensys
2021-103
2021-103
In Stock
From
$154.20
Invensys
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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