Specifications General Product Type: Surge Protective Device (SPD) Series / Model: iPRU 4P 65 kA Number of Poles: 4 (three phases + neutral) Mounting: DIN‑rail compatible Application: Surge protection for three‑phase low‑voltage distribution systems Surge Protection Ratings Surge Current Capacity: Rated to handle 65 kA per mode (8/20 µs waveform) Nominal Discharge Current (In): Defined for effective surge energy suppression Maximum Continuous Operating Voltage (Uc): Designed for continuous operation at system nominal voltage Protection Technology: Metal‑Oxide Varistor (MOV) based transient suppression elements Electrical Ratings Rated Operating Voltage (Ue): Suitable for low‑voltage three‑phase AC systems (e.g., ~230/400 V AC) Rated Frequency: 50 Hz / 60 Hz compatible Covered Protection Modes: Line‑to‑Neutral (L‑N) Line‑to‑Earth (L‑PE) Neutral‑to‑Earth (N‑PE) Protection Performance Response Time: Fast response to transient overvoltages to limit peak stress on downstream equipment Voltage Protection Level: Engineered to clamp surge voltages to safe levels, reducing risk to connected equipment Status Indication: Visual indicators for operational state and end‑of‑life condition Mechanical & Environmental Housing: Compact modular enclosure suitable for panelboard integration Terminal Connections: Screw/clamp terminals for secure conductor attachment Installation Environment: Designed for indoor electrical distribution panels Operating Conditions: Standard industrial ambient environment