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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
HMX3E800
HMX3E800
In Stock
From
$111.11
Siemens
HR612
HR612
In Stock
From
$66.82
Siemens
I0204ML1125
I0204ML1125
In Stock
From
$25.76
Siemens
I0303ML3100
I0303ML3100
In Stock
From
$42.48
Siemens
JD64 MTG BRACKET
JD64 MTG BRACKET
In Stock
From
$40.91
Siemens
JK3B400
JK3B400
In Stock
From
$55.56
Siemens
JXD MTNG BRACKET
JXD MTNG BRACKET
In Stock
From
$30.45
Siemens
KD-3000-E0-D0-ACP
KD-3000-E0-D0-ACP
In Stock
From
$1,111.11
Siemens
KP3T140
KP3T140
In Stock
From
$2.22
Siemens
LA3200A
LA3200A
In Stock
From
$1,666.67
Siemens
LA600B
LA600B
In Stock
From
$888.89
Siemens
LAF600B
LAF600B
In Stock
From
$888.89
Siemens
LBRP25D
LBRP25D
In Stock
From
$86.86
Siemens
LL2B300
LL2B300
In Stock
From
$55.56
Siemens
LXD MTNG BRACKET
LXD MTNG BRACKET
In Stock
From
$21.35
Siemens
LZS:PT3A5R24
LZS:PT3A5R24
Limited Stock
From
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Siemens
LZS:RT4D4R24
LZS:RT4D4R24
In Stock
From
$36.36
Siemens
LZS:RT4D4T30
LZS:RT4D4T30
Limited Stock
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Siemens
LZX:PT570125
LZX:PT570125
Limited Stock
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Siemens
MC2040B1200ESC
MC2040B1200ESC
In Stock
From
$436.45
Siemens
MD HANDLE
MD HANDLE
In Stock
From
$18.07
Siemens
MLKC1A
MLKC1A
In Stock
From
$3.11
Siemens
N125X
N125X
In Stock
From
$121.11
Siemens
NFK3B200L
NFK3B200L
In Stock
From
$2,000.00
Siemens
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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