Specifications General Product Type: Surge Protective Device (SPD) Series / Family: PRD1 Surge Protection Model: PRD1 3P+N 12.5kA Configuration: 3P+N (three-phase + neutral) Mounting: DIN rail Application: Protection of low-voltage, three-phase electrical systems from surges Surge Protection Ratings Maximum Discharge Current (Imax): 12.5kA (surge current handling capacity) Nominal Discharge Current (In): Rated for 12.5kA Response Time: Ultra-fast response to transient surges (<100ns) Surge Technology: Typically varistor-based or similar technology to manage voltage spikes Protection Modes: Phase-to-neutral (L-N), phase-to-earth (L-PE), and neutral-to-earth (N-PE) Electrical Ratings Rated Operational Voltage (Ue): 230/400V AC (three-phase + neutral) Rated Frequency: 50/60 Hz Rated Insulation Voltage (Ui): Typically 500V Rated Impulse Withstand Voltage (Uimp): 4kV Maximum Continuous Operating Voltage (Uc): 400V Mechanical & Environmental Housing: Compact and modular design for installation in electrical panels Terminal Connections: Secure screw clamp or spring-loaded terminals for easy installation Operating Temperature Range: -40°C to +70°C Protection Class: IP20 (front side) for safe operation Mounting: Compatible with DIN rail for quick installation in distribution boards Performance & Compliance Standards Compliance: Meets standards like IEC 61643-1, UL 1449, CSA C22.2 No. 269 Electrical Durability: Designed to withstand repeated transient disturbances Mechanical Durability: Can endure over 100,000 switching operations