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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.
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Part Number
PRICE
Manufacturer
Amperage
Voltage
SCMD6A600LIG
SCMD6A600LIG
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Siemens
600
600
SCMD6A600LIGH
SCMD6A600LIGH
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Siemens
600
600
SCMD6A600LIH
SCMD6A600LIH
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Siemens
600
600
SCMD6A600LSIG
SCMD6A600LSIG
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Siemens
600
600
SCMD6A600LSIGH
SCMD6A600LSIGH
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Siemens
600
600
SCMD6A600LSIH
SCMD6A600LSIH
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Siemens
600
600
SCMD6A700LI
SCMD6A700LI
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Siemens
700
600
SCMD6A700LIG
SCMD6A700LIG
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Siemens
700
600
SCMD6A700LIGH
SCMD6A700LIGH
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Siemens
700
600
SCMD6A700LIH
SCMD6A700LIH
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Siemens
700
600
SCMD6A700LSI
SCMD6A700LSI
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Siemens
700
600
SCMD6A700LSIG
SCMD6A700LSIG
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Siemens
700
600
SCMD6A700LSIGH
SCMD6A700LSIGH
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Siemens
700
600
SCMD6A700LSIH
SCMD6A700LSIH
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Siemens
700
600
SCMD6A800LI
SCMD6A800LI
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Siemens
800
600
SCMD6A800LIG
SCMD6A800LIG
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Siemens
800
600
SCMD6A800LIGH
SCMD6A800LIGH
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Siemens
800
600
SCMD6A800LIH
SCMD6A800LIH
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Siemens
800
600
SCMD6A800LSI
SCMD6A800LSI
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Siemens
800
600
SCMD6A800LSIG
SCMD6A800LSIG
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Siemens
800
600
SCMD6A800LSIGH
SCMD6A800LSIGH
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From
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Siemens
800
600
SCMD6A800LSIH
SCMD6A800LSIH
Limited Stock
From
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Siemens
800
600
SCND6A100LI
SCND6A100LI
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Siemens
1000
600
SCND6A100LIG
SCND6A100LIG
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Siemens
1000
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.