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IPRU 120R 4P

The Schneider Electric iPRU 120r 4P is a pluggable surge protection device (SPD) designed to protect four‑pole electrical distribution systems (three phases + neutral) from transient overvoltages caused by lightning strikes, switching surges, and other electrical disturbances

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Specifications Parameter Specification Manufacturer Schneider Electric Model / Part Number iPRU 120r 4P (A9L120401) Device Type Pluggable Surge Protective Device (SPD) Series / Range Acti9 (iPRU series) Number of Poles 4P (three phases + neutral) Application Low‑voltage electrical distribution networks Surge Protection Type Surge arrester with pluggable cartridge Rated Operational Voltage (Ue) 230/400 V AC (50/60 Hz) Maximum Continuous Operating Voltage (Uc) 350 V AC (common mode) Nominal Discharge Current (In) ≈ 60 kA (typical rating for 120r class) Maximum Discharge Current (Imax) 120 kA (8/20 μs waveform) Voltage Protection Level (Up) < 2.5 kV (common mode) Surge Protection Class Type II / T2 (IEC/EN 61643‑11) Earthing System Compatibility TT, TN systems Mounting DIN‑rail (35 mm) Termination Type Tunnel type terminals for solid/flexible cable Indication End‑of‑life indication (color change / remote contact optionally) Protection Degree IP20 / IP40 (front) Operating Temperature ‑25 °C to +60 °C Storage Temperature ‑40 °C to +70 °C Response Time ≤ 25 ns typical for MOV devices Standards Compliance IEC/EN 61643‑11 for surge protection