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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
SCND69800ANT
SCND69800ANT
In Stock
From
$2,044.58
Siemens
800
600
SHJD69200G
SHJD69200G
In Stock
From
$4,728.67
Siemens
200
600
SHJD69200GH
SHJD69200GH
In Stock
From
$1,557.66
Siemens
200
600
SHJD69200NT
SHJD69200NT
In Stock
From
$2,250.45
Siemens
200
600
SHJD69200NTH
SHJD69200NTH
In Stock
From
$2,700.54
Siemens
200
600
SHJD69300GH
SHJD69300GH
In Stock
From
$2,933.60
Siemens
300
600
SHJD69300H
SHJD69300H
In Stock
From
$1,212.57
Siemens
300
600
SHJD69300NGT
SHJD69300NGT
In Stock
From
$873.32
Siemens
300
600
SHJD69300NT
SHJD69300NT
In Stock
From
$2,933.60
Siemens
300
600
SHJD69300NTH
SHJD69300NTH
In Stock
From
$2,933.60
Siemens
300
600
SHJD69400GH
SHJD69400GH
In Stock
From
$2,676.32
Siemens
400
600
SHJD69400H
SHJD69400H
In Stock
From
$2,676.32
Siemens
400
600
SHJD69400NGTH
SHJD69400NGTH
In Stock
From
$2,676.32
Siemens
400
600
SHJD69400NT
SHJD69400NT
In Stock
From
$2,676.32
Siemens
400
600
SHJD69400NTH
SHJD69400NTH
In Stock
From
$2,676.32
Siemens
400
600
SHLD69300
SHLD69300
In Stock
From
$2,803.46
Siemens
300
600
SHLD69300G
SHLD69300G
In Stock
From
$2,803.46
Siemens
300
600
SHLD69300NGT
SHLD69300NGT
In Stock
From
$2,803.46
Siemens
300
600
SHLD69300NT
SHLD69300NT
In Stock
From
$2,803.46
Siemens
300
600
SHLD69400
SHLD69400
In Stock
From
$3,160.24
Siemens
400
600
SHLD69400G
SHLD69400G
In Stock
From
$3,160.24
Siemens
400
600
SHLD69400NGT
SHLD69400NGT
In Stock
From
$3,160.24
Siemens
400
600
SHLD69400NT
SHLD69400NT
In Stock
From
$1,199.83
Siemens
400
600
SHLD69500
SHLD69500
In Stock
From
$3,723.73
Siemens
500
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.