Comprehensive 3-Phase Surge Protection – Safeguards your electrical system from transient voltage surges caused by lightning, grid switching, or electrical faults—ideal for residential, commercial, and industrial use Safe Surge Discharge to Earth – Redirects dangerous high-voltage spikes from Line (Phase) to Earth, protecting sensitive equipment and smart electronics from potential damage. Standards-Compliant Safety – Built to meet IEC 61643-1 and Class C specifications, ensuring reliable and internationally certified surge protection. Tool-Free DIN Rail Installation – Modular, compact design fits standard 35mm DIN rails for quick setup. Includes replaceable cartridges for easy, long-term maintenance. Real-Time Health Indicator – A clear green/red status window lets you check SPD condition at a glance: Green = Operational Red = Replacement Required Step-by-Step Installation Guide – Turn OFF the main power Mount SPD on DIN rail Connect Phase wires to input terminals and Earth to output terminal Tighten and insulate connections Turn ON supply and verify the indicator Important: Requires a proper Earth connection to function correctly. Always ensure your installation includes a reliable grounding system