Surge Arrester,Surge Protective Device,AU9 Series

Surge Arrester,Surge Protective Device,AU9 Series

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description :

This developed by ANDELI Application  Surge Protector device,surge arrester developed this  series (referred as SP) provides protection against surge current resulted from direct or indirect lightning strike or other instantaneous overvoltage.Technical data
Index
TypeADL1- D
ADL 1- C
ADL1- B
Rated VoltageUn (V��) 
220
220
380Max. Continuous Operating VoltageUc (V��)
320
320
420Protected Surge Current Up(kV)(8 /20��s)
1
1.5
2.5Normal Discharge Current Ism(kA)(8 / 20��s 5times)
10
20
30Max Discharge Current Imax(kA) (8 / 20��s 1time)
20
40
60Response Time t (nS)
Power withstanding (J) (2mS)
640
640
1500Ambient Temperature
-40 ��+80 ��CColour of Function Unit
yellow
white
red
    one pole: provide protection against surge current of circuit single phase 220V.
    Two pole: provide protection against surge current of L and N phase to earth of circuit single  phase 220V resulted from lightning.
    Three pole: provide protection against surge current of S phase of TT, TN-S system 380V, and also protect S to earth of IT TN-C system of 380V
    Four pole: provide protection against surge current against S, N to earth of TT TN-S system of 380V. Operating Condition     The device shall be mounted indoor with less exposure onto Din rail 35mm 
     The device shall be installed prior to the circuit breaker and shall be reliably connected to earth with resistance not exceeding 4�� and cross section of conductor not less 6mm2 
     The device is equipped with warning display. Green colour from the indicating window is for normal operation, and red colour is for function failure. The function unit shall be checked regularly and the unit shall be replaced upon any failure being detected.