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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case 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.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Voltage
CKD3350X
CKD3350X
In Stock
From
$1,363.59
Eaton
350
600
CKD3350Y
CKD3350Y
In Stock
From
$1,363.59
Eaton
350
600
CKD3400
CKD3400
In Stock
From
$1,835.98
Eaton
400
600
CKD3400X
CKD3400X
In Stock
From
$1,835.98
Eaton
400
600
CKD3400Y
CKD3400Y
In Stock
From
$1,835.98
Eaton
400
600
DK2250Y
DK2250Y
In Stock
From
$827.15
Westinghouse
250
240
DK2300Y
DK2300Y
In Stock
From
$1,113.59
Westinghouse
300
240
DK2350Y
DK2350Y
In Stock
From
$487.65
Westinghouse
350
240
ED2150BP10
ED2150BP10
In Stock
From
$348.00
Eaton
150
240
ED2175BP10
ED2175BP10
In Stock
From
$275.86
Eaton
175
240
EDH3125BP10
EDH3125BP10
In Stock
From
$534.00
Eaton
125
240
EHD2015BP10
EHD2015BP10
In Stock
From
$218.70
Eaton
15
480
EHD2020BP10
EHD2020BP10
In Stock
From
$303.47
Eaton
20
480
EHD2025BP10
EHD2025BP10
In Stock
From
$246.59
Eaton
25
480
EHD2030BP10
EHD2030BP10
In Stock
From
$280.14
Eaton
30
480
EHD2035BP10
EHD2035BP10
In Stock
From
$249.44
Eaton
35
480
EHD2040BP10
EHD2040BP10
In Stock
From
$290.74
Eaton
40
480
EHD2045BP10
EHD2045BP10
In Stock
From
$244.28
Eaton
45
480
EHD2050BP10
EHD2050BP10
In Stock
From
$306.42
Eaton
50
480
EHD2060BP10
EHD2060BP10
In Stock
From
$360.32
Eaton
60
480
EHD2080BP10
EHD2080BP10
In Stock
From
$478.91
Eaton
80
480
EHD2090BP10
EHD2090BP10
In Stock
From
$388.13
Eaton
90
480
EHD2100BP10
EHD2100BP10
In Stock
From
$370.75
Eaton
100
480
EHD3010BP10
EHD3010BP10
In Stock
From
$409.91
Eaton
10
480
Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities 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 molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.


Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case 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.