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IPRU3P+N20KA

The Schneider Electric IPRU 3P+N 20 kA is a four‑pole surge protective device (SPD) designed to safeguard low‑voltage electrical distribution systems against transient overvoltages caused by lightning strikes, switching events, and other electrical disturbances. It provides comprehensive surge protection across all three phases and neutral of a three‑phase power system.

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Specifications (English) General Product Type: Surge Protective Device (SPD) Model: IPRU 3P+N 20 kA Number of Poles: 4 (three phases + neutral) Surge Protection Class: Type 2 (distribution level surge protection) Mounting: DIN‑rail (35 mm) for panelboard installation Electrical Ratings Nominal Discharge Current (In): Rated for 20 kA (8/20 µs) per mode Maximum Discharge Current (Imax): Capable of handling transient surge currents up to 20 kA Rated Operating Voltage (Ue): Suitable for low‑voltage three‑phase AC systems (e.g., ~230/400 V AC) Maximum Continuous Operating Voltage (Uc): Designed for continuous operation at system voltage level Protection Technology: Metal‑Oxide Varistor (MOV) based suppression elements for fast surge absorption Protection Performance Modes of Protection: Phase‑to‑Neutral (L‑N) Phase‑to‑Earth (L‑PE) Neutral‑to‑Earth (N‑PE) Response Time: Fast response to transient overvoltage events to protect downstream equipment Voltage Protection Level: Engineered to clamp surge voltages to safe levels within the system Status Indication: Visual indicators for operational status and end‑of‑life condition Mechanical & Environmental Housing: Compact modular enclosure suitable for distribution board mounting Terminal Connections: Screw/clamp terminals for secure conductor attachment Operating Environment: Designed for standard indoor electrical installations Installation Location: Typically installed at service entry or sub‑distribution panels