Type 2/Class CProtection: At DB & UPS of 1 – phase supply

Switching surge arresters Type 2 & Class C according to EN 61643-11 & IEC 61643-1 for the lightning protection zone 1-2 consisting of din mountable - one common base consisting of 1 number of modular pluggable unit of high energy varistor based technology to be connected between line to neutral and 1 number of GDT tube connected between neutral to earth complying the below technical parameters:

   a) Nominal voltage between L-N, Un = 230 volts

   b) Maximum continuous operating voltage between L-N, Uc = 320 volts

   c) Maximum continuous operating voltage between N-PE, Uc = 255 volts

   d) Lightning Impulse Current (N-PE), Iimp (10/350 micro sec) = 25 KA

   e) Nominal discharge current (L-N), In (8/20 micro sec) = 20 KA

   f) Nominal discharge current (N-PE), In (8/20 micro sec) = 30 KA

   g) Maximum discharge current (L-N), Imax (8/20 micro sec) = 40 KA

   h) Maximum discharge current (N-PE), Imax (8/20 micro sec) = 50 KA

   i) Voltage Protection Level, Up = < 1.4 KV (L-N), < 1.2 KV (N-PE)

   j) Response time, tA = < 25 (L-N) &< 100 (N-PE) nano seconds

  k) Working condition of the SPD - Visual indication = Green “OK” & Red “Failure”

   l) Temp Range, -40° C to +80° C

            m) Degree of Protection IP 20

Model Number:V20-C/1+NPE,320V