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Acti 9 iPRF1, PRD1

Surge Arrester Devices Type 1 or Type 1+2

Part of 9 Series

Surge Protection Devices against direct lightning strike (acc. to IEC 61643-11:2011, EN 61643-11:2012)

Acti 9 iPRF1,  PRD1
  • Features

    • Protect electrical equipment against direct lightning strikes (tested and rated according to standardised of 10/350μs current wave)

    • Specified by IEC/EN 62305-2 in commercial and industrial buildings protected by a lightning conductor or a meshed cage,

    • Impulse current, Iimp
      • 12.5 kA for iPRF1 12.5r : suitable for buildings with protection levels III and IV
      • 25 kA for PRD1 25r and PRD1 Master, 35 kA for PRF1 Master : suitable for buildings with protection levels I and II
    • must be associated with a suitable disconnection device, fuse or circuit_breaker : see coordination table 
    • iPRF1 12.5r and PRD1 25r are also type 2 rated (8/20 µs) and protect the electrical equipment by finely clipping the voltage surge
    • suitable for 230/400V 50/60Hz networks, with earthing system TT, TN-S, TN-C. PRF1 Master suitable for 440V IT system-earthed also.

    Fixed or cartridge pluggable surge arresters. PRD1 surge arresters are fitted with easy-to-replace withdrawable cartridges.
    Multiple-pole or single-pole device to be assembled.
    Ouput contacts for remote transfer of end-of-life information (for Acti9 Smartlink or other input./output device)


    These two SPD Type 1 ranges provide:

    • Powerful Surge Protection for installations and buildings with high lightning strike risk
    • Ensure the continuity of service of your installation
    • Acti9 PRD1 Surge arresters are fitted with easy-to-replace pluggable cartridges
    • Beware the lightning rod is not sufficient as a protection, Type 1 Surge Protection Devices contribute to the safety of your equipment.


    Acti9 iPRF1, PRD1 Type 1 Surge arresters protect the electrical installations against induced or conducted surges caused by direct lightning strikes.
    • The IEC/EN 62305-2 specifies the use of Type 1 or Type 1+2 Surge Protection Devices in commercial and industrial buildings protected by a lightning conductor or a lightning rod
    • Surge Protection Devices are recommended when there is higher risk of direct lightning strikes.


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