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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
EHB14015
EHB14015
In Stock
From
$152.31
Square D
15
277
EHB14020
EHB14020
In Stock
From
$84.79
Square D
20
277
EHB24015
EHB24015
In Stock
From
$304.71
Square D
15
480
EHB24020
EHB24020
In Stock
From
$444.00
Square D
20
480
EHB24020PL
EHB24020PL
In Stock
From
$312.80
Square D
20
480
EHB24025
EHB24025
In Stock
From
$434.09
Square D
25
480
EHB24040
EHB24040
In Stock
From
$675.77
Square D
40
480
EHB24050
EHB24050
In Stock
From
$577.49
Square D
50
480
EHB24060
EHB24060
In Stock
From
$1,014.57
Square D
60
480
EHB24100
EHB24100
In Stock
From
$1,745.82
Square D
100
480
EHB340201082
EHB340201082
Limited Stock
From
Get Price
Square D
30
480
EHB34020AS
EHB34020AS
In Stock
From
$581.66
Square D
20
480
EHB340301082
EHB340301082
In Stock
From
$960.25
Square D
30
480
EHB34030PL
EHB34030PL
In Stock
From
$884.27
Square D
30
480
EHB340901082
EHB340901082
In Stock
From
$1,096.64
Square D
90
480
EHC2030
EHC2030
In Stock
From
$79.42
Eaton
30
480
EHC2050
EHC2050
In Stock
From
$84.12
Cutler Hammer
50
480
EHC3015
EHC3015
In Stock
From
$87.95
Cutler Hammer
15
480
EHC3020
EHC3020
In Stock
From
$148.65
Cutler Hammer
20
480
EHC3030
EHC3030
In Stock
From
$160.74
Cutler Hammer
30
480
EHC3060
EHC3060
In Stock
From
$172.58
Cutler Hammer
60
480
EHC3100
EHC3100
In Stock
From
$165.51
Cutler Hammer
100
480
EHC3125
EHC3125
In Stock
From
$274.82
Cutler Hammer
125
480
EHC3150
EHC3150
In Stock
From
$630.85
Cutler Hammer
150
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.