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Acti 9 iPRF1, PRD1

Type 1 Surge Protection Devices

Type 1 and type 1+2, surge arresters (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 plugin surge arresters. PRD1 surge arresters are fitted with easy-to-replace removable cartridges.
    Multiple-pole or single-pole device to be assembled.
    Output contacts for remote transfer of end-of-life information (for Acti9 Smartlink or other input./output device)


    • Protection of electrical installations in all industrial and tertiary buildings against induced or conducted surges resulting from direct lightning strokes


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