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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
EH2M070
EH2M070
In Stock
From
$234.93
Siemens
70
480
EH3A003
EH3A003
In Stock
From
$298.33
Siemens
3
480
EH3A003L
EH3A003L
In Stock
From
$320.45
ITE
3
480
EH3A005
EH3A005
In Stock
From
$312.52
ITE
5
480
EH3A005L
EH3A005L
In Stock
From
$377.45
Siemens
5
480
EH3A010
EH3A010
In Stock
From
$354.82
Siemens
10
480
EH3A010L
EH3A010L
In Stock
From
$324.77
Siemens
10
480
EH3A015
EH3A015
In Stock
From
$194.39
Siemens
15
480
EH3A015L
EH3A015L
In Stock
From
$194.39
Siemens
15
480
EH3A020
EH3A020
In Stock
From
$296.26
ITE
20
480
EH3A020L
EH3A020L
In Stock
From
$160.76
Siemens
20
480
EH3A025
EH3A025
In Stock
From
$300.62
ITE
25
480
EH3A025L
EH3A025L
In Stock
From
$159.02
Siemens
25
480
EH3A030
EH3A030
In Stock
From
$296.06
ITE
30
480
EH3A030L
EH3A030L
In Stock
From
Get Price
Siemens
30
480
EH3A040
EH3A040
In Stock
From
$297.00
Siemens
40
480
EH3A040L
EH3A040L
In Stock
From
$322.48
ITE
40
480
EH3A050
EH3A050
In Stock
From
$285.53
Siemens
50
480
EH3A050L
EH3A050L
In Stock
From
$407.26
ITE
50
480
EH3A060
EH3A060
In Stock
From
$1,143.37
ITE
60
480
EH3A060L
EH3A060L
In Stock
From
$1,143.37
ITE
60
480
EH3A100
EH3A100
In Stock
From
$401.94
ITE
100
480
EH3A100L
EH3A100L
In Stock
From
Get Price
Siemens
100
480
EH3A110
EH3A110
In Stock
From
$1,251.07
ITE
110
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.