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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
LMXD63B700
LMXD63B700
In Stock
From
$1,887.55
Siemens
700
3
LMXD63B700L
LMXD63B700L
In Stock
From
$2,253.93
Siemens
700
3
LMXD63B800
LMXD63B800
In Stock
From
$2,926.29
Siemens
800
3
LRA36400U31X
LRA36400U31X
In Stock
From
$6,142.82
Square D
400
3
LXD63B300
LXD63B300
In Stock
From
$2,933.60
Siemens
300
3
LXD63B350
LXD63B350
In Stock
From
$1,302.30
Siemens
350
3
LXD63B450
LXD63B450
In Stock
From
$1,437.38
Siemens
450
3
LXD63B500
LXD63B500
In Stock
From
$1,430.94
Siemens
500
3
LXD63H600
LXD63H600
In Stock
From
$1,581.43
Siemens
600
3
LXD63H600L
LXD63H600L
In Stock
From
$2,711.03
Siemens
600
3
LXD63S600A
LXD63S600A
In Stock
From
$1,581.43
Siemens
600
3
MAP36600MT
MAP36600MT
Limited Stock
From
Get Price
Square D
600
3
MAP36800
MAP36800
In Stock
From
$2,416.46
Square D
800
3
MC3800F
MC3800F
In Stock
From
$1,371.24
Westinghouse
800
3
MD3300
MD3300
In Stock
From
$2,634.90
Eaton
300
3
MD3450
MD3450
In Stock
From
$2,481.53
Cutler Hammer
450
3
MD3800
MD3800
In Stock
From
$1,949.80
Eaton
800
3
MD63T500
MD63T500
In Stock
From
$1,191.89
Siemens
-
3
MDL3400W
MDL3400W
In Stock
From
$10,299.82
Westinghouse
400
3
MDL3600W
MDL3600W
In Stock
From
$3,277.10
Westinghouse
600
3
MDL3700W
MDL3700W
In Stock
From
$2,037.97
Eaton
700
3
MDL3800F
MDL3800F
In Stock
From
$5,027.30
Eaton
800
3
MDLB3800WK
MDLB3800WK
In Stock
From
$5,627.21
Eaton
800
3
MGA266002
MGA266002
In Stock
From
$2,215.21
Square D
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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