Specifications Parameter Specification Product Range Acti9 iPRU (Surge Protection Series) Device Type Type 2 Surge Protective Device (SPD) Model Series iPRU 20 Configuration 2-Pole (2P) - L + N protection Maximum Discharge Current (Imax) 20 kA (8/20μs wave) Nominal Discharge Current (In) 10 kA (8/20μs wave) Protection Level (Up) < 1.5 kV (at In) Maximum Continuous Operating Voltage (Uc) 275V AC (L-N) Voltage Rating 230/400V AC systems Response Time < 25 ns Follow Current Interrupt Rating According to UL 1449 4th Edition Short-Circuit Withstand Typically 25 kA (with upstream protection) Status Indicators Green/Red LED indicators: • Green: Operational • Red: End of life / Requires replacement Remote Signaling 1 NO (Normally Open) contact for remote alarm Thermal Protection Built-in thermal disconnector Mounting DIN Rail (35mm) Modular Width 2 modules (36mm) Connection Terminals Screw clamp, 1-35mm² Ambient Temperature -40°C to +80°C (operation) Storage Temperature -40°C to +85°C Standards Compliance IEC 61643-11, EN 61643-11, UL 1449 4th Edition Protection Mode L-N, N-PE (depending on connection) IP Rating IP20 (when installed in enclosure)