Type 2 surge arrester S400HV-2

class IIfor power suppliesAC

Surge protection for power supplies ( SPD Class II , Type 2 ) , for 3 conductors systems ( L1 , N , PE ) and for TT / TN - S Nominal voltage UN AC - 240/415 VAC (TN-S) / 240/415 V AC (TT) Maximum continuous operating voltage UC - L-N / N-PE - 335 V AC / 260 V AC Residual current IPE - ≤ 5 μA Short-circuit current rating ISCCR - 25 kA Follow current interrupt rating Ifi - N-PE - 100 A (260 V) Max. discharge surge current Imax (8/20)μs - L-N / N-PE - 40 kA / 40 kA Voltage protection level UP L-N / N-PE - ≤ 1,5 kV / 1,5 kV Nominal discharge surge current In (8/20)μs - L-N / N-PE - 20 kA / 20 kA Max. required backup fuse with branch wiring - 125 A AC (gG) Max. required backup fuse with V-type through wiring - 80 A AC (gG) Ambient temperature (operation) - -40 °C ... 80 °C Permissible humidity (operation) - 5 % ... 95 % Degree of protection - IP 20