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
JDS4K COVER
JDS4K COVER
In Stock
From
$56.19
Eaton
JG3DOM
JG3DOM
In Stock
From
$131.05
Eaton
JNTPLR3
JNTPLR3
In Stock
From
$3.64
Eaton
KB1 CENTER PLATE
KB1 CENTER PLATE
In Stock
From
$54.55
Eaton
KD4 BRACKET
KD4 BRACKET
In Stock
From
$342.82
Eaton
KDS4 COVER
KDS4 COVER
In Stock
From
$48.32
Eaton
KDS4 MTG BRACKET
KDS4 MTG BRACKET
In Stock
From
$32.08
Eaton
KDS4B COVER
KDS4B COVER
In Stock
From
$39.16
Eaton
KPRL416X
KPRL416X
In Stock
From
$1,531.43
Eaton
KPRL45XS SIDE FILLER
KPRL45XS SIDE FILLER
In Stock
From
$90.91
Eaton
KPRL4B6XS2P
KPRL4B6XS2P
In Stock
From
$22.22
Eaton
KPRL4FD3P
KPRL4FD3P
In Stock
From
$281.76
Eaton
KPRL4LG BRACKET
KPRL4LG BRACKET
In Stock
From
$822.07
Eaton
LD4 COVER
LD4 COVER
In Stock
From
$75.47
Eaton
LH36600LSI
LH36600LSI
In Stock
From
Get Price
Eaton
MDN6083XEA081GNMNNNNNNNAX
MDN6083XEA081GNMNNNNNNNAX
In Stock
From
$17,981.82
Eaton
MDS6303FEA
MDS6303FEA
In Stock
From
$6,666.67
Eaton
MDS8203VEA-NA
MDS8203VEA-NA
In Stock
From
$534.98
Eaton
MDSC083VEA
MDSC083VEA
In Stock
From
$1,666.67
Eaton
N100 EATON
N100 EATON
In Stock
From
$149.01
Eaton
ND4 BRACKET
ND4 BRACKET
In Stock
From
$36.36
Eaton
NSP42
NSP42
In Stock
From
$0.80
Eaton
PB3-600 LUG
PB3-600 LUG
In Stock
From
$42.65
Eaton
PDG1X3TA1256W
PDG1X3TA1256W
In Stock
From
$25.84
Eaton
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