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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
HLD63B250
HLD63B250
In Stock
From
$1,581.76
Siemens
250
3
HLD63B250L
HLD63B250L
In Stock
From
$2,926.80
Siemens
250
3
HLD63B300
HLD63B300
In Stock
From
$1,797.50
Siemens
300
3
HLD63B300L
HLD63B300L
In Stock
From
$1,797.50
Siemens
300
3
HLD63B350
HLD63B350
In Stock
From
$2,260.68
Siemens
350
3
HLD63B350L
HLD63B350L
In Stock
From
$3,539.99
Siemens
350
3
HLD63B400
HLD63B400
In Stock
From
$3,795.99
Siemens
400
3
HLD63B450
HLD63B450
In Stock
From
$2,104.45
Siemens
450
3
HLD63B450L
HLD63B450L
In Stock
From
$2,104.45
Siemens
450
3
HLD63B500L
HLD63B500L
In Stock
From
$785.42
Siemens
500
3
HLXD63B250L
HLXD63B250L
In Stock
From
$1,127.72
Siemens
250
3
HLXD63B300L
HLXD63B300L
In Stock
From
$1,794.22
Siemens
300
3
HLXD63B350
HLXD63B350
In Stock
From
$15,221.12
Siemens
350
3
HLXD63B350L
HLXD63B350L
In Stock
From
$15,221.12
Siemens
350
3
HLXD63B400L
HLXD63B400L
In Stock
From
$2,858.42
Siemens
400
3
HLXD63B450L
HLXD63B450L
In Stock
From
$2,738.96
Siemens
450
3
HLXD63B500L
HLXD63B500L
In Stock
From
$760.76
Siemens
500
3
HLXD63M400
HLXD63M400
In Stock
From
$1,403.04
Siemens
400
3
HLXD63S600A
HLXD63S600A
In Stock
From
$1,278.55
Siemens
600
3
HLXD63S600AL
HLXD63S600AL
In Stock
From
$1,967.40
Siemens
600
3
HMG3B700L
HMG3B700L
In Stock
From
$6,362.72
Siemens
700
3
HNXD63B120L
HNXD63B120L
In Stock
From
$5,347.88
Siemens
1200
3
HQR22B100H
HQR22B100H
In Stock
From
$506.35
Siemens
100
2
HQR22B100HL
HQR22B100HL
In Stock
From
$770.75
Siemens
100
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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