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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
LGU3500FAG
LGU3500FAG
In Stock
From
$6,222.00
Cutler Hammer
500
3
LGU360033W
LGU360033W
In Stock
From
$6,542.71
Cutler Hammer
600
3
LKD3
LKD3
In Stock
From
$29.78
Cutler Hammer
-
-
LS360300E
LS360300E
In Stock
From
$2,340.22
Cutler Hammer
300
3
MA1L1LTK
MA1L1LTK
In Stock
From
$136.90
Cutler Hammer
-
-
MA2L1RPK
MA2L1RPK
In Stock
From
$349.72
Cutler Hammer
-
-
MC3800WK
MC3800WK
In Stock
From
$1,098.72
Cutler Hammer
800
3
MCP0322S
MCP0322S
In Stock
From
$178.05
Cutler Hammer
3
3
MCP0358C
MCP0358C
In Stock
From
$282.26
Cutler Hammer
7
3
MCP0358S
MCP0358S
In Stock
From
$497.74
Cutler Hammer
7
3
MCP23480RC
MCP23480RC
In Stock
From
$322.22
Cutler Hammer
50
3
MCP431550RCX
MCP431550RCX
In Stock
From
$670.53
Cutler Hammer
150
3
MCP431800C
MCP431800C
In Stock
From
$540.00
Cutler Hammer
150
3
MCP532500C
MCP532500C
In Stock
From
$1,870.21
Cutler Hammer
250
3
MD2300
MD2300
In Stock
From
$1,133.38
Eaton
300
2
MD2300W
MD2300W
In Stock
From
$2,660.98
Westinghouse
300
2
MD2350W
MD2350W
In Stock
From
$1,493.78
Eaton
350
2
MD2400
MD2400
In Stock
From
$1,374.78
Cutler Hammer
400
2
MD2400W
MD2400W
In Stock
From
$1,443.07
Westinghouse
400
2
MD2450
MD2450
In Stock
From
$1,312.08
Eaton
450
2
MD2450W
MD2450W
In Stock
From
$1,450.73
Cutler Hammer
450
2
MD2500
MD2500
In Stock
From
$1,601.92
Eaton
500
2
MD2500W
MD2500W
In Stock
From
$2,671.65
Cutler Hammer
500
2
MD2600
MD2600
In Stock
From
$1,495.43
Westinghouse
600
2
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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