Specifications General Product Type: Surge Protection Device (SPD) Series / Family: PRD (Power Distribution) Model: PRD 3P+N 60KA Number of Poles: 3 (three-phase) + 1 neutral Mounting Type: DIN rail mountable Application: Protection for three-phase electrical circuits in commercial, industrial, and infrastructure installations Electrical Ratings Rated Voltage (Ue): 400 V AC (three-phase) Nominal Voltage (Un): 230V AC (neutral) Rated Frequency: 50/60 Hz Maximum Continuous Operating Voltage (Uc): 440V Nominal Discharge Current (In): 20kA (per phase) Maximum Discharge Current (Imax): 60kA (total) Response Time (Tr): < 25 ns Protection Level (Up): < 1.5 kV Surge Protection Characteristics Type of Protection: Class I (SPDs for high-risk environments, such as direct lightning strikes) Protection for: Both phase-to-neutral and phase-to-phase Discharge Capacity: 60kA (total) to handle large surges without failure Energy Coordination: Compatible with downstream Type II SPDs for layered protection Mechanical & Environmental Terminal Connections: Screw-type terminals for secure connection Design: Compact modular design, ideal for easy installation in electrical distribution boards Housing Material: Thermoplastic, resistant to electrical and mechanical stresses Operating Temperature Range: -40°C to +80°C Storage Temperature: -40°C to +85°C Degree of Protection: IP20 (Protected against fingers and objects >12mm)