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Power distribution equipment - Surge arrester YH5W-21

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Technical parameter:

 

 Rated voltage(Ur): 21kV

 Nominal discharge current(In):5kA

 Maximun continuous operating voltage(Uc): 17.00kV

 Lightning impulse 8/20 μ s:54kV

 Steep current impulse 1/10 μ s:61.8kV

 Switching impulse 30/60 μ s :45.6kV

 2ms rectangular current withstand:250A

 4/10 μ s high current impulse withstand:65kA

 Lightning impulse:125kV

 Power frequency,(wet):58kV

 Creepage distance:693mm

 Creepage distance/rated voltage ratio:33.0mm/kv

 Mechanical section length( Drawing“H”):259mm

 Shed number:10pcs

 Torsional:60Nm

 Cantilever:147N

 Net weight of each unit:3.34Kg

 Dimensions(6PCS/CTN):48mm*41mm*29mm

 


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