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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
LM3350L
LM3350L
In Stock
From
$1,094.03
Westinghouse
350
3
LM3400
LM3400
In Stock
From
$1,067.78
Cutler Hammer
400
3
LM3400L
LM3400L
In Stock
From
$2,076.56
Westinghouse
400
3
LM3450
LM3450
In Stock
From
$1,109.14
Westinghouse
450
3
LM3450L
LM3450L
In Stock
From
$1,661.88
Westinghouse
450
3
LM3500
LM3500
In Stock
From
$317.02
Westinghouse
500
3
LM3500L
LM3500L
In Stock
From
$2,193.89
Cutler Hammer
500
3
LM3600L
LM3600L
In Stock
From
$1,462.90
Cutler Hammer
600
3
LM3700
LM3700
In Stock
From
$1,133.43
Westinghouse
700
3
LM3700L
LM3700L
In Stock
From
$2,117.84
Westinghouse
700
3
LM3800
LM3800
In Stock
From
$1,289.37
Westinghouse
800
3
LM3800L
LM3800L
In Stock
From
$1,406.57
Westinghouse
800
3
LM3900
LM3900
In Stock
From
$1,108.93
Cutler Hammer
900
3
LM3900L
LM3900L
In Stock
From
$1,479.59
Westinghouse
900
3
LN403HADNNNNNNC
LN403HADNNNNNNC
In Stock
From
$7,762.20
Eaton
-
-
LN403HADNSNNNWC
LN403HADNSNNNWC
In Stock
From
$4,761.69
Eaton
-
-
LST3LPK
LST3LPK
Limited Stock
From
Get Price
Cutler Hammer
-
-
LST3RPK
LST3RPK
In Stock
From
$543.34
Cutler Hammer
-
-
LST4LPK
LST4LPK
In Stock
From
$17.07
Cutler Hammer
-
-
M3RRG4000
M3RRG4000
In Stock
From
Get Price
Cutler Hammer
-
-
M4RRG3200
M4RRG3200
In Stock
From
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Cutler Hammer
-
-
MA-VR-250-1200A
MA-VR-250-1200A
Limited Stock
From
Get Price
Cutler Hammer
1200
3
MDNC20
MDNC20
In Stock
From
$3,333.33
Cutler Hammer
2000
3
MDSC08
MDSC08
Limited Stock
From
Get Price
Cutler Hammer
800
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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