Type 1 Spark Gap Surge Protection Device FLP50GR-275/1S+1

Main Features:

  • Location of Use: Main Distribution Boards

  • Network Systems: TN-S, TT

  • Mode of Protection: L-N, N-PE

  • Surge Ratings: Iimp = 50 kA (10/350 μs), In = 50 kA (8/20 μs)

  • IEC/EN Category: Class l+II / Type 1+2

  • Protective Elements: Spark Gap

  • Housing: Monobloc Design

  • Compliance: IEC 61643-11:2011, EN 61643-11:2012
  • Main Specification

    Type 1 Spark Gap Surge Protective FLP50GR-275/1S+1 offers Iimp 50kA (10/350µs), Uc 275V (L-N), Up 1.8kV/1.5kV. Designed for TN-S/TT systems (1+1 mode) with 500A backup fuse and remote signaling. IEC 61643-11 certified.

    Model No.FLP50GR-275/1S+1
    Nominal AC Voltage (50/60 Hz) Uo / Un230V
    Maximum Continuous Operating Voltage (L-N) UC / (N-PE) UC275V
    Nominal Discharge Current (8/20 μs) (L-N) / (N-PE) In50 kA / 100 kA
    Maximum Discharge Current (8/20 μs) (L-N) / (N-PE) Imax100 kA
    Impulse Discharge Current (10/350 μs) (L-N) / (N-PE) Iimp50 kA / 100 kA
    Specific Energy (L-N) / (N-PE) W/R156.5 kJ/Ω / 2.5 MJ/Ω
    Voltage Protection Level (L-N) / (N-PE) Up1.8 kV / 1.5 kV
    Follow Current Interrupt Rating (N-PE) Ifi50 ARMS / 100 ARMS
    Max. Backup Fuse500 A gL / gG
    Short-Circuit Current Rating (AC) (L-N) ISCCR10 kA
    TOV Withstand 5 s (L-N) UT335 V
    TOV 120 min (L-N) UT530 V
    TOV Withstand 200 ms (N-PE) UT1200 V
    Number of Ports1

    Basic Circuit Diagram

    Type 1 Spark Gap Surge Protective FLP50GR-275/1S+1 is designed for single-phase TN-S/TT systems (1+1 configuration), providing L-N and N-PE protection with built-in spark gap technology and remote signaling contacts.

    Dimensions

    Type 1 Spark Gap Surge Protective FLP50GR-275/1S+1 features compact 90×95.5×144mm dimensions for 35mm DIN rail mounting, enabling flexible integration in distribution boards with space-saving design.

    Installation Instructions

    Type 1 Spark Gap Surge Protective FLP50GR-275/1S+1 mounts on 35mm DIN rail. Torque terminals to 3.5-4.0 Nm. Use 6-35mm² (L/N) and 16-35mm² (PE) copper conductors. Connect remote contacts (11-12-14) for status monitoring.

    Wiring Diagram & Installation

    This Spark Gap Surge Protection Device is DIN rail mountable. Use standard parallel wiring, with connection leads <50cm for optimal lightning current discharge performance.

    Remote Signaling Terminal

    Integrated Remote Signaling Terminal provides real-time status monitoring for the Spark Gap Surge Protection Device. NO/NC contacts enable remote alarming and centralized control.

    Documentation

    Type 1 Spark Gap Surge Protective FLP50GR-275/1S+1 is certified per IEC/EN 61643-11. Complete documentation includes installation manual, technical datasheet, and Declaration of Conformity for project compliance.

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