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PRD 3P+N 40KA

The Schneider Electric PRD is a Type 1+2 Combined Surge Protective Device (SPD) with a 3P+N (3-phase + neutral) configuration and an enhanced maximum discharge current (Imax) of 40 kA per phase. Designed for high-risk exposure environments, it provides the highest level of primary surge protection at the service entrance against direct or indirect lightning strikes and severe switching transients in low-voltage AC power systems

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Parameter Specification Product Range / Series PRD (Combined Type 1+2 SPD) Type / Class Type 1+2 (Class I + II) Combined SPD Configuration 3P+N (3 phases + neutral) Rated Network Voltage 230/400V AC, 50/60 Hz Max. Continuous Operating Voltage (Uc) 255/440V AC (L-N / L-L) Lightning Impulse Current (Iimp) - Type 1 25 kA (10/350 µs wave) per pole Maximum Discharge Current (Imax) - Type 2 40 kA (8/20 µs wave) per pole Voltage Protection Level (Up) ≤ 2.5 kV (typical at In) Nominal Discharge Current (In) 20 kA (8/20 µs) Status Indication Visual indicator (green: OK, red: faulty) Remote Signaling Optional changeover contact (alarm) Backup Protection Integrated thermal disconnector; requires an external high-breaking capacity backup fuse (e.g., 160A gL/gG or NH fuse) as per installation manual. Connection Robust screw terminals for large conductors (typically up to 70-95 mm²). Mounting DIN Rail (35mm) or direct mounting Standards IEC 61643-11, EN 61643-11 Operating Temperature -40°C to +80°C Protection Degree (IP) IP20 (when mounted in an enclosure)