OBV5-D20 is a range of devices designed to discharge induced transient overvoltages (Type 2+3 / Class 11+111) in accordance with EN/IEC 61643-11 standards. These devices come in a DIN rail plug-in format and have the ability to discharge induced voltage surges (8/20 µs), providing precise protection for sensitive equipment (1.2/50 µs).

  • They are suitable for use as the second stage of protection in supply distribution panels where Type 1 protection devices are already installed. Alternatively, they can be used as the first stage of protection in residential, commercial, or other applications not exposed to direct lightning strikes and without an external lightning protection system.
  • These devices offer a discharge capacity with an 8/20 µs waveform, with a maximum discharge current (I max) of 20 kA.
  • They are exclusive devices suitable for TNS, TNC, TT, and IT earthing systems.
  • Additionally, these devices are compatible with Power Line Communication networks.
  • They feature a biconnect design, offering two types of terminals for both rigid and flexible cables, as well as fork-type comb busbars.
  • An optional remote signaling feature is available.

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