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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
Amperage
Poles
MOPLG24D
MOPLG24D
In Stock
From
$992.27
Cutler Hammer
-
-
MP40ED225-3
MP40ED225-3
In Stock
From
$412.00
Cutler Hammer
-
-
MP40KF100-3
MP40KF100-3
In Stock
From
$418.54
Cutler Hammer
-
-
MPCA1K
MPCA1K
In Stock
From
$318.19
Cutler Hammer
-
-
MPED1K
MPED1K
In Stock
From
$412.02
Cutler Hammer
-
-
MPFB1K
MPFB1K
In Stock
From
$311.74
Cutler Hammer
-
-
MPKB1K
MPKB1K
In Stock
From
$445.25
Cutler Hammer
-
-
MPLA4K
MPLA4K
In Stock
From
$431.38
Cutler Hammer
-
-
MPLA6K
MPLA6K
In Stock
From
$760.14
Cutler Hammer
-
-
MPLB1K
MPLB1K
In Stock
From
$1,009.44
Cutler Hammer
-
-
MPMA8K
MPMA8K
In Stock
From
$677.73
Cutler Hammer
-
-
MPNB12K
MPNB12K
In Stock
From
$1,210.08
Cutler Hammer
-
-
MWI6163LEA
MWI6163LEA
In Stock
From
$1,963.12
Cutler Hammer
1600
3
MWI6203HEA2052ANAN4EPNNAX
MWI6203HEA2052ANAN4EPNNAX
In Stock
From
$8,811.29
Eaton
2000
3
MWI8083HEA0652NMNN4EHNNAX
MWI8083HEA0652NMNN4EHNNAX
In Stock
From
Get Price
Cutler Hammer
800
3
MWI8083HEANNNNNMNN4EHNNAX
MWI8083HEANNNNNMNN4EHNNAX
In Stock
From
$13,680.00
Eaton
800
3
MWI8123HEA0852NMNN4EHNNAX
MWI8123HEA0852NMNN4EHNNAX
In Stock
From
Get Price
Cutler Hammer
1200
3
MWI8253HEA2052NMNN4EHNNAX
MWI8253HEA2052NMNN4EHNNAX
In Stock
From
Get Price
Cutler Hammer
2500
3
MWN6083LEA0852NMNA4YMNNAX
MWN6083LEA0852NMNA4YMNNAX
In Stock
From
Get Price
Cutler Hammer
800
3
NB3700PT
NB3700PT
In Stock
From
$1,400.64
Cutler Hammer
-
3
NH361000A
NH361000A
In Stock
From
$555.21
Cutler Hammer
1000
3
NH361200A
NH361200A
In Stock
From
$1,000.00
Cutler Hammer
1200
3
NM031600
NM031600
In Stock
From
$723.78
Cutler Hammer
-
3
P77LSIA
P77LSIA
In Stock
From
$1,724.70
Cutler Hammer
-
3
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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