The Schneider Electric PRD 3P+N 100 kA is a surge protective device (SPD) designed to protect three‑phase electrical distribution systems with neutral from transient overvoltages caused by lightning strikes, switching surges, and other electrical disturbances.
Specifications
General
Product Type: Surge Protective Device (SPD)
Series / Family: PRD Surge Protection
Configuration: 3P+N (three phases + neutral)
Mounting: DIN‑rail mountable
Application: Surge protection for three‑phase low‑voltage electrical systems
Surge Protection Ratings
Maximum Discharge Current (Imax): 100 kA (peak surge handling capability)
Nominal Discharge Current (In): Defined per mode (device tested to handle high surge levels)
Response Time: Very fast (< 100 ns) to limit transient stress on equipment
Surge Technology: Spark gap or equivalent transient suppression components
Surge Protection Levels: Engineered to clamp overvoltages to safe values for connected loads
Electrical Ratings
Rated Operational Voltage (Ue): Designed for three‑phase low‑voltage systems (commonly ~230/400 V AC)
Rated Frequency: 50/60 Hz
Operating Modes Protected:
Line‑to‑Neutral (L‑N)
Line‑to‑Earth (L‑PE)
Neutral‑to‑Earth (N‑PE)
Phase‑to‑Phase (L‑L)
Mechanical & Environmental
Housing: Compact modular construction optimized for panel installation
Terminal Connections: Screw or clamp terminals for secure wiring
Installation Location: Indoor electrical distribution boards
Operating Conditions: Standard industrial ambient environment
Performance & Safety
Surge Class / Type: Coordinated for Type 1/Type 2 protection (depending on model and regional spec)
Standards Compliance: Designed to meet relevant surge protection standards (e.g., IEC 61643‑1)
Protection Benefits: Reduces transient overvoltages to protect equipment from damage and extend equipment lifespan