Surge Protection Device Type 1, IsoPro B

Surge Protection Device Type 1, IsoPro B

  • IsoPro B
  • LEUTRON

Multipole lightning current arrester type 1 for the use in 1 , 2 and 3 phase TNS, TT, TNC, TN and IT systems, for protection of low-voltage consumers’ installations in business and residential areas against surges caused by lightning or switching actions in the network. The arresters can be installed at the transition 0A to 1 according to the lightning protection zones concept.

  • Test standard: IEC 61643-11/EN 61643-11
  • Rare-gas-filled spark gap, hermetically sealed
  • No leakage currents, thus, allowing installation upstream of power meters
  • Operates independently of atmospheric air pressure and ambient humidity
  • High insulation resistance
  • Discharge capacity up to 100 kA (10/350 µs)
  • All-in-one protection unit, ready for connection
  • Mounting on 35 mm DIN rail (EN 60715)
  • Degree of protection according to IEC EN 60529: IP 20
  • Inflammability class according to UL 94 V0
  • EAC certification
  • Remote signalling contact (FM): break contact
  • Switching capacity FM: 250 V/2 A
  • conductor cross section FM: 1,5 mm²

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