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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
LD62B250L
LD62B250L
In Stock
From
$5,894.87
Siemens
250
2
LD62B300
LD62B300
In Stock
From
$5,852.11
Siemens
300
2
LD62B300L
LD62B300L
In Stock
From
$5,852.11
Siemens
300
2
LD62B350
LD62B350
In Stock
From
$5,893.06
Siemens
350
2
LD62B350L
LD62B350L
In Stock
From
$5,893.06
Siemens
350
2
LD62B450
LD62B450
In Stock
From
$6,073.58
Siemens
450
2
LD62B450L
LD62B450L
In Stock
From
$6,073.58
Siemens
450
2
LD62B500
LD62B500
In Stock
From
$1,396.07
Siemens
500
2
LD62B500L
LD62B500L
In Stock
From
$1,396.07
Siemens
500
2
LD62B600
LD62B600
In Stock
From
$1,223.26
Siemens
600
2
LD62B600L
LD62B600L
In Stock
From
$1,223.26
Siemens
600
2
LFG3B250L
LFG3B250L
In Stock
From
$3,222.28
Siemens
250
3
LMD62B500
LMD62B500
In Stock
From
$2,461.13
Siemens
500
2
LMD62B600
LMD62B600
In Stock
From
$2,641.07
Siemens
600
2
LMD62B700
LMD62B700
In Stock
From
$2,978.08
Siemens
700
2
LMD62B800
LMD62B800
In Stock
From
$1,210.40
Siemens
800
2
LMD62F800
LMD62F800
In Stock
From
$1,100.36
Siemens
800
2
LMD63B500
LMD63B500
In Stock
From
$2,218.35
Siemens
500
3
LMD63B600
LMD63B600
In Stock
From
$2,366.66
Siemens
600
3
LMD63B700
LMD63B700
In Stock
From
$2,668.72
Siemens
700
3
LMX3B600L
LMX3B600L
In Stock
From
$10,134.54
Siemens
600
3
LMX3B700
LMX3B700
In Stock
From
$9,775.90
Siemens
700
3
LMX3V800L
LMX3V800L
In Stock
From
$18,297.00
Siemens
800
3
LMXD62A800
LMXD62A800
In Stock
From
$2,034.72
Siemens
800
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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