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PRD 20KA 3P+N

The Schneider Electric PRD 20 kA 3P+N is a four‑pole surge protective device (SPD) designed to safeguard low‑voltage electrical distribution systems from transient overvoltages caused by lightning strikes, utility switching, and other surge events

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Specifications General Product Type: Surge Protective Device (SPD) Series / Family: PRD (Power Distribution Surge Protection) Model: PRD 20 kA 3P+N Number of Poles: 4 (three phases + neutral) Mounting Type: DIN‑rail compatible Application: Electrical surge protection for three‑phase systems with neutral Electrical Ratings Nominal Operating Voltage (Ue): Designed for three‑phase low‑voltage AC systems (e.g., ∼230/400 V AC) Rated Frequency: 50 Hz / 60 Hz Maximum Continuous Operating Voltage (Uc): Suitable for continuous operation at the system voltage level Nominal Discharge Current: Rated to handle 20 kA per mode (8/20 µs waveform) Maximum Surge Current (Imax): Up to 20 kA total surge handling capability Protection Technology: Transient suppression elements (e.g., MOV – Metal‑Oxide Varistor) Protection Performance Modes of Protection: Line‑to‑Neutral (L‑N) Line‑to‑Earth (L‑PE) Neutral‑to‑Earth (N‑PE) Response Time: Rapid response to transient overvoltage events Voltage Protection Level: Engineered to clamp surge voltages to safe levels to protect downstream loads Mechanical & Environmental Housing: Compact modular enclosure suitable for distribution board installation Terminal Connections: Screw/clamp terminals for secure wiring Operating Environment: Designed for indoor use in electrical distribution systems Installation: Typically installed at service entrance or within sub‑distribution panels