LONG-ROD 110 kV COMPOSITE INSULATORS WITH SILICONE HOUSING

BASIC TECHNICAL DATA LS 120/110-III LS 120/110-IV
Rated voltage, kV 110
Maximum working voltage, kV 126
SML,  kN 120
Withstanding power-frequency voltage when dry, kV, not less than 320 380
Withstanding power-frequency voltage under rain, kV, not less than 300 360
50% flashover voltage of the commercial frequency of a polluted and wet insulator, active value, êV, not less than 160 160
Withstanding lightning impulse voltage, kV, not less than 540 650
Mounting length, H, mm 1270±10 1460±10
Arching length, L, mm 1005 1195
Leakage distance, mm, not less than 3160 3800
Pollution rated IEC 60815 III IV
Weight , kg, approximately 4,5 4,9

There are four types of insulators classified by the end fitting types: TB, SB, ST, TT. Other end fittings are available by a special request.

Insulators conform to the requirements of IEC 61109

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