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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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TD3M10021D
TD3M10021D
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Terasaki
TD3M10031D
TD3M10031D
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TD3M10032D
TD3M10032D
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TD3M10041D
TD3M10041D
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TD3M10043D
TD3M10043D
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TD3M1005D
TD3M1005D
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TD3M10063C
TD3M10063C
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TD3M10101D
TD3M10101D
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TD3M10102C
TD3M10102C
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TD3M10161C
TD3M10161C
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TD3M10161D
TD3M10161D
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Terasaki
TD3M10162C
TD3M10162C
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Terasaki
TD3M10163C
TD3M10163C
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Terasaki
TD3M10201C
TD3M10201C
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Terasaki
TD3M10202B
TD3M10202B
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Terasaki
TD3M10202D
TD3M10202D
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Terasaki
TD3M10251D
TD3M10251D
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Terasaki
TD3M10322D
TD3M10322D
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Terasaki
TD3M10503D
TD3M10503D
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Terasaki
TD3RCBO101630MA1CAC
TD3RCBO101630MA1CAC
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Terasaki
TH-10SG3
TH-10SG3
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$19.13
Terasaki
XE100NS-3P-60A
XE100NS-3P-60A
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Terasaki
XH125NJ-3P-32A
XH125NJ-3P-32A
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XH250PE
XH250PE
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Terasaki
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.