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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
RXD63B200H
RXD63B200H
In Stock
From
$7,936.56
Siemens
2000
600
SCJD69200
SCJD69200
In Stock
From
$3,750.06
Siemens
200
600
SCJD69200G
SCJD69200G
In Stock
From
$3,750.06
Siemens
200
600
SCJD69200NGT
SCJD69200NGT
In Stock
From
$1,076.40
Siemens
200
600
SCJD69200NT
SCJD69200NT
In Stock
From
$3,750.06
Siemens
200
600
SCJD69300
SCJD69300
In Stock
From
$5,372.44
Siemens
300
600
SCJD69300G
SCJD69300G
In Stock
From
$5,372.44
Siemens
300
600
SCJD69300NGT
SCJD69300NGT
In Stock
From
$4,477.03
Siemens
300
600
SCJD69400
SCJD69400
In Stock
From
$3,243.79
Siemens
400
600
SCJD69400G
SCJD69400G
In Stock
From
$3,243.79
Siemens
400
600
SCJD69400NGT
SCJD69400NGT
In Stock
From
$3,243.79
Siemens
400
600
SCLD69300
SCLD69300
In Stock
From
$5,372.44
Siemens
300
600
SCLD69300G
SCLD69300G
In Stock
From
$5,372.44
Siemens
300
600
SCLD69300NGT
SCLD69300NGT
In Stock
From
$5,372.44
Siemens
300
600
SCLD69300NT
SCLD69300NT
In Stock
From
$5,372.44
Siemens
300
600
SCLD69400
SCLD69400
In Stock
From
$1,977.67
Siemens
400
600
SCLD69400G
SCLD69400G
In Stock
From
$3,243.79
Siemens
400
600
SCLD69500
SCLD69500
In Stock
From
$3,759.24
Siemens
500
600
SCLD69500G
SCLD69500G
In Stock
From
$6,847.84
Siemens
500
600
SCLD69600G
SCLD69600G
In Stock
From
$6,044.59
Siemens
600
600
SCMD69600A
SCMD69600A
In Stock
From
$6,436.28
Siemens
800
600
SCMD69600AG
SCMD69600AG
In Stock
From
$4,642.32
Siemens
600
600
SCMD69600AGH
SCMD69600AGH
In Stock
From
$4,642.32
Siemens
600
600
SCMD69600AH
SCMD69600AH
In Stock
From
$4,642.32
Siemens
600
600
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.