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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
CH140
CH140
In Stock
From
$15.90
Eaton
40
120
CH150
CH150
In Stock
From
$5.07
Eaton
50
120
CH215
CH215
In Stock
From
$35.98
Eaton
15
240
CH315
CH315
In Stock
From
$147.52
Cutler Hammer
15
240
CH325
CH325
In Stock
From
$116.04
Cutler Hammer
25
240
CH330
CH330
In Stock
From
$143.31
Eaton
30
240
CH350
CH350
In Stock
From
$150.07
Eaton
50
240
CH360
CH360
In Stock
From
$133.19
Eaton
60
240
CHKD3400F
CHKD3400F
In Stock
From
$2,181.29
Eaton
400
600
CHLD3600F
CHLD3600F
In Stock
From
$4,289.38
Eaton
600
600
DK3300
DK3300
In Stock
From
$1,691.41
Eaton
300
240
DK3350
DK3350
In Stock
From
$1,151.26
Eaton
350
240
DK3400
DK3400
In Stock
From
$1,118.06
Eaton
400
240
ED43B020L
ED43B020L
In Stock
From
$346.43
Siemens
20
480
ED43B030
ED43B030
In Stock
From
$354.21
Siemens
30
480
ED43B050L
ED43B050L
In Stock
From
$455.19
Siemens
50
480
ED43B125L
ED43B125L
In Stock
From
$603.72
Siemens
125
480
EDB24015
EDB24015
In Stock
From
$158.97
Schneider Electric
15
480
EDB24020
EDB24020
In Stock
From
$205.71
Square D
20
480
EDB24020SA
EDB24020SA
In Stock
From
$393.21
Square D
20
480
EDB24025
EDB24025
In Stock
From
$153.46
Schneider Electric
25
480
EDB24040SA
EDB24040SA
In Stock
From
$714.27
Square D
40
480
EDB24060
EDB24060
In Stock
From
$159.38
Schneider Electric
60
480
EDB24090
EDB24090
In Stock
From
$263.42
Square D
90
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.