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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
MBKBL3
MBKBL3
In Stock
From
$395.69
Siemens
-
-
MBKFD3250
MBKFD3250
In Stock
From
$2,261.13
Siemens
250
3
MBKFD3A
MBKFD3A
In Stock
From
$308.86
Siemens
-
-
MBKJD3400A
MBKJD3400A
In Stock
From
$1,875.41
Siemens
400
3
MES3800LS
MES3800LS
In Stock
From
$1,808.77
Cutler Hammer
-
3
MGL36800E10
MGL36800E10
In Stock
From
$6,116.10
Square D
800
3
MH26WP
MH26WP
In Stock
From
$1,018.99
Square D
100
-
MH50
MH50
In Stock
From
$84.22
Square D
225
-
MH68
MH68
Limited Stock
From
Get Price
Square D
400
-
MHC23S
MHC23S
In Stock
From
$718.43
Square D
100
-
MHC32S
MHC32S
In Stock
From
$517.12
Square D
225
-
MHC38S
MHC38S
In Stock
From
$429.81
Square D
225
-
MMOTK
MMOTK
In Stock
From
$498.44
Cutler Hammer
-
-
MMOTW
MMOTW
In Stock
From
$4,940.58
Cutler Hammer
-
-
MOJ6120
MOJ6120
In Stock
From
$3,569.02
Siemens
-
-
MP21515
MP21515
In Stock
From
$45.68
Murray Corporation
15
4
MQ240
MQ240
In Stock
From
$33.12
Murray Corporation
40
2
MQ250
MQ250
In Stock
From
$32.65
Murray
50
2
MSECTOOL
MSECTOOL
In Stock
From
$333.30
Cutler Hammer
-
-
MSRA
MSRA
In Stock
From
$877.86
Cutler Hammer
-
-
MST2
MST2
In Stock
From
$636.30
Cutler Hammer
-
-
MST3
MST3
In Stock
From
$1,822.51
Eaton
-
-
MT3600T
MT3600T
In Stock
From
$1,533.24
Cutler Hammer
-
3
MUVRA
MUVRA
In Stock
From
$1,211.01
Cutler Hammer
-
-
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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