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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
MDL3800A02
MDL3800A02
In Stock
From
$3,929.77
Eaton
800
3
MDL3800LSI
MDL3800LSI
In Stock
From
$1,333.33
Eaton
-
-
MDLB3300W
MDLB3300W
In Stock
From
$1,179.64
Cutler Hammer
300
3
MDLB3350W
MDLB3350W
In Stock
From
$832.50
Eaton
350
3
MDLB3400W
MDLB3400W
In Stock
From
$4,323.83
Westinghouse
400
3
MDLB3450
MDLB3450
In Stock
From
$2,417.84
Cutler Hammer
450
3
MDLB3450W
MDLB3450W
In Stock
From
$1,124.98
Westinghouse
450
3
MDLB3500W
MDLB3500W
In Stock
From
$1,965.91
Westinghouse
500
3
MDLB3600W
MDLB3600W
In Stock
From
$2,254.70
Westinghouse
600
3
MDLB3700W
MDLB3700W
In Stock
From
$1,094.46
Eaton
700
3
MDLB3800FT33W
MDLB3800FT33W
In Stock
From
$5,369.67
Eaton
800
3
MSLG
MSLG
In Stock
From
$21.21
Eaton
-
-
NBDC3900MW
NBDC3900MW
In Stock
From
$5,783.28
Eaton
900
3
NGC308033E
NGC308033E
In Stock
From
$7,924.96
Eaton
-
-
NGC308033EC
NGC308033EC
In Stock
From
$12,632.25
Eaton
-
-
NGC308036E
NGC308036E
In Stock
From
$13,809.49
Eaton
-
-
NGC308036EC
NGC308036EC
In Stock
From
$3,791.02
Eaton
-
-
NGC308038E
NGC308038E
In Stock
From
$11,507.91
Eaton
-
-
NGC312035EC
NGC312035EC
In Stock
From
$7,670.55
Eaton
-
-
NGC312036EC
NGC312036EC
In Stock
From
$8,044.57
Eaton
-
-
NN361200A
NN361200A
In Stock
From
$1,399.74
Eaton
1200
3
PB31000
PB31000
In Stock
From
Get Price
Cutler Hammer
1000
3
PB31200
PB31200
In Stock
From
Get Price
Eaton
1200
3
PB32000
PB32000
In Stock
From
$5,733.79
Westinghouse
2000
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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