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STMCCB

Booth Number: Hall N1 - N1K22

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The company specializes in the R&D, manufacturing, ODM/OEM, and service of molded-case circuit breakers, universal circuit breakers, and changeover switches. Through years of exploration and practical experience, its products have earned numerous patents, and the company now boasts industry‑leading product technology and management capabilities. It has established a fully self‑reliant production process that spans from product development to manufacturing, continuously innovating new products and enhancing quality. Adhering to advanced modern corporate management practices, the company has implemented a scientific and comprehensive management system, rigorously applying a quality management framework to ensure thorough, stringent, and systematic control and oversight across production, sales, and after‑sales service.
Exhibit Details
New Energy High-Voltage Circuit Breaker Series

New Energy High-Voltage Circuit Breaker Series

Modular internal accessories for quick and easy replacement; rated operating voltage: AC 800 V–AC 1500 V, AC 1140 V; suitable for high-voltage applications in mining, metallurgy, photovoltaic, wind energy, and other industries.

New Energy DC Circuit Breaker Series

New Energy DC Circuit Breaker Series

No derating at +50°C; no derating when mounted vertically; zero arc‑over; non‑polarized; compliant with UL 489; 1500 V DC, ICS = 20 kA.

Dual-Contact DC Circuit Breaker

Dual-Contact DC Circuit Breaker

Modular design, high current‑limiting capability, dual‑arc interruption, with isolation function

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