Lyd1-C40 SPD Surge Protective Device for Building Power Distribution Systems Lighting Arrester

Lyd1-C40 SPD Surge Protective Device for Building Power Distribution Systems Lighting Arrester. Class II Surge Protection: Complies with IEC 61643-1:1998-02 and GB 18802.1 standards for reliable surge protection. Built-in Thermal Disconnector: Automatically disconnects device during overheating or failure with status indication. Visual Status Window: White indicates normal operation, red indicates fault or disconnection. Multi-System Compatibility: Suitable for IT, TT, TN-C, TN-S, and TN-C-S low-voltage AC power distribution systems. Touch-Safe Design: One-port, voltage-limiting SPD designed for safe indoor fixed installation. Proprietary Structural Design: Independently developed designs offering stable performance and higher safety levels. Full-Process Quality Traceability: Strict ISO 9001 management with responsible person assigned to every production step.