Specifications General Product Type: Surge Protective Device (SPD) Series: iPRU (Pluggable Surge Protection) Number of Poles: 4 (three phases + neutral) Surge Protection Class: Type 2 (distribution surge protection) Electrical Ratings Maximum Discharge Current (Imax): 20 kA (8/20 µs transient current capacity) Nominal Discharge Current (In): Typically 10 kA (depends on product variant) Rated Operating Voltage (Ue): Suitable for low‑voltage AC distribution (e.g., 230/400 V AC systems) Maximum Continuous Operating Voltage (Uc): Designed for continuous operation at specified system voltage levels (commonly ~350–460 V AC range) Protection Technology: Metal‑Oxide Varistors (MOVs) for rapid surge energy absorption Protection & Performance Surge Mode: Common mode and differential mode protection across all connected conductors Response Time: Fast response designed to clamp transient overvoltages before they damage equipment Replaceable Module: Modular pluggable cartridge for simple replacement without rewiring Mechanical & Mounting Mounting: DIN‑rail mountable for integration into distribution boards and panels Housing: Modular enclosure suitable for electrical distribution environments Pole Coverage: Four‑pole protection ensures all lines including neutral are included Application Designed for surge protection on three‑phase low‑voltage distribution systems Ideal for commercial, industrial, and infrastructure panels where transient voltage protection is important Protects loads and sensitive equipment (motors, drives, PLCs, electronics) against surge events