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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.
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Part Number
PRICE
Manufacturer
JA2125XZ
JA2125XZ
In Stock
From
$1,217.12
Westinghouse
KAS4
KAS4
In Stock
From
$204.64
Eaton
KCWTK
KCWTK
In Stock
From
$2.45
Eaton
KD3400KZ0E
KD3400KZ0E
In Stock
From
$1,111.72
Westinghouse
LA2175P
LA2175P
In Stock
From
$1,020.89
Westinghouse
LA3350-A01
LA3350-A01
In Stock
From
$576.74
Westinghouse
LB3250F
LB3250F
In Stock
From
$187.45
Westinghouse
MCP0322SR
MCP0322SR
In Stock
From
$1,680.86
Westinghouse
MCP431800S
MCP431800S
In Stock
From
$118.07
Westinghouse
MP3B-24AC
MP3B-24AC
In Stock
From
$35.09
Westinghouse
MR2P120ACL
MR2P120ACL
In Stock
From
$27.62
Westinghouse
NP28313-E
NP28313-E
In Stock
From
$133.84
Westinghouse
NP28328-F
NP28328-F
In Stock
From
$1,110.42
Westinghouse
NSB364-15
NSB364-15
In Stock
From
$647.26
Westinghouse
QNP2020L
QNP2020L
In Stock
From
$19.65
Westinghouse
QNPA 3070
QNPA 3070
In Stock
From
$97.64
Westinghouse
QPH-2015
QPH-2015
In Stock
From
$80.22
Westinghouse
QPH2030
QPH2030
In Stock
From
$104.72
Westinghouse
RFK-1
RFK-1
In Stock
From
$7.82
Westinghouse
RFK-3
RFK-3
In Stock
From
$10.93
Westinghouse
RFK-4
RFK-4
In Stock
From
$5.15
Westinghouse
RFK-5
RFK-5
In Stock
From
$8.76
Westinghouse
RNF 361
RNF 361
In Stock
From
$177.49
Westinghouse
S611-LUG-M01
S611-LUG-M01
In Stock
From
$15.18
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.

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