Class I+II / Type 1+2 SPD for PV / Solar / DC System 2018-04-04T15:58:38+00:00

Type 1+2 surge arrester designed for low voltage system protection against surges at the boundaries from lightning protection zone 0B-2 and higher.


  • Class I+II SPD for use in photovoltaic/PV/solar systems
  • In accordance with IEC61643-11, EN50539-11, UL1449-4th
  • Common mode and differential mode surge protection
  • VT Technology, No leakage current and No follow current, low voltage protection level;
  • Very low clamping level and high surge current capability (high Iimp, low Up)
  • High TOV withstand, increased reliability for areas with unstable power network
  • No follow current, No leakage current, intelligent distinguish power frequency current and surge current to guarantee long service life
  • Reliable supervision due to disconnection device;
  • Fault indication by red indication flag in window;
  • With remote alarm terminal optional;

Model Selection


common mode protection

Nominal voltage (Un) = 600Vdc


common mode and differential mode protection

Nominal voltage (Un) = 1000Vdc