ModelRated Voltage(kV)Continuous ooperating voltage (Kv
rms)Lightning impulse rresidual voltage undern nominal discharge
current (≤vkp)Line discharge classCreepage distance (mm)2ms
square wave impulse current withstand (A)4/10μs High current
impulse withstand
kAYH10W-363628.81081&2920/1125250100YH10W-424233.61262&31260400100YH10W-4545361282&31260400100Model
Meaning:YH 10 W - YY - SC Z - OPTIONSYH ------ Y-indicates
porcelain housing, YH-indicates polymer housing10
------ 10kA-Discharge currentW
------ W-indicates gaplessYY ------ YY-rated
voltage (kv)SC Z ------ SC-applicable for station class only
i.e. 'Z"-2, 3 or 4OPTIONS ------ 1. IBDD: ground lead
disconnecting device Integrated in insulating bracket
2. LBO: I-bracket for mounting c/w bolts,
Washers and lead for live terminal
3. CR: corona ring applicable to systenVoltages from 100kv
and upwards
4. IBP: insulating base
plate
5. BP-base plate only applicable
from 40kv Upwards
6. ST12-st-m12 bolt
c/w two nuts, washers & spring washer
7. ST26-st-stem type 26 Φ x 100mm top contact
8. ST38-st-stem type 38 Φ x 125mm top
contact
9. PE-67 x 100mm flat
l-shape top contact with 4 holes Φ 45mm centresWhen Ordering
Voltages Above 100Kv The Following Are STD1. Corona Rings are STD
component for voltages ranging from 110 kV and above2. Base Plates
with insulating bases are to be only ordered or used when coupling
them to Surge Counter applications.3. Base plates are STD supply
for voltages ranging from 33 kV and aboveWorking Condition1.
Ambient air temperature: 40ºC ~+60.2. Altitude: 3000m;3. Frequency
48Hz-62Hz4. Power frequency voltage applied between terminals of
surge arrester must not exceed continuous operating voltage of
surge arrester5. Earthquake (Seismic) intensity is less than 8
degree6. Max Wind speed is 35m/s; /* January 22, 2024
19:08:37 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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