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Lightening Arresters

Lightening Arresters

A lightning arrester / Surge Arrester is a device used on electrical power systems to protect the insulation of transformer and conductors of the system from the damaging effects of lightning. The typical lightning surge arrester has a high-voltage terminal and a ground terminal. When a lightning surge (or switching surge, which is very similar) travels along the power line to the arrester, the current from the surge is diverted through the arrestor, in to earth.A lightning arrester / Surge Arrester is a device used on electrical power systems to protect the insulation of transformer and conductors of the system from the damaging effects of lightning. The typical lightning surge arrester has a high-voltage terminal and a ground terminal. When a lightning surge (or switching surge, which is very similar) travels along the power line to the arrester, the current from the surge is diverted through the arrestor, in to earth.Our lightning surge arresters are Gapless metal-oxide type, consist of Zinc-oxide Varistors, FRP Core and Silicone Housing.

Features :

  • Highest system voltage is up to 36kV
  • Rated frequency is 50Hz
  • Nominal discharge current is 5ka
  • Maximum continuous operating voltage is up to 25kV as per system voltage.
  • dsa Lightning impulse protection level is up to 170kvp? High current impulse with stand at 4/10 μs is 65kv