1. Home / 
  2. All Categories / 
  3. Circuit Breaker

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
MCCA3500
MCCA3500
In Stock
From
Get Price
Westinghouse
500
3
MCCA3600
MCCA3600
In Stock
From
$1,608.24
Westinghouse
600
3
MCCA3700
MCCA3700
In Stock
From
$1,309.16
Westinghouse
700
3
MCCA3800
MCCA3800
In Stock
From
Get Price
Westinghouse
800
3
MCCA3800F
MCCA3800F
In Stock
From
$2,350.69
Westinghouse
800
3
MCG2400
MCG2400
In Stock
From
Get Price
Westinghouse
400
2
MCG2500
MCG2500
In Stock
From
$1,034.22
Westinghouse
500
2
MCG2600
MCG2600
In Stock
From
$727.62
Westinghouse
600
2
MCG2700
MCG2700
In Stock
From
$2,137.58
Westinghouse
700
2
MCG2800
MCG2800
In Stock
From
$2,575.86
Westinghouse
800
2
MCG2800F
MCG2800F
In Stock
From
$3,680.98
Westinghouse
800
2
MCG3400
MCG3400
In Stock
From
$1,822.20
Westinghouse
400
3
MCG3500
MCG3500
In Stock
From
Get Price
Westinghouse
500
3
MCG3600
MCG3600
In Stock
From
$1,608.24
Westinghouse
600
3
MCG3700
MCG3700
In Stock
From
$1,309.16
Westinghouse
700
3
MCG3800
MCG3800
In Stock
From
$2,350.69
Westinghouse
800
3
MCP331000S
MCP331000S
In Stock
From
$1,926.97
Westinghouse
100
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
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.

Learn More