Composite Insulator (High-voltage composite insulator)

Item Dongwoo Standard Electricalratings Rated voltage 35kv 25kv 15kv Low frequency dry flashover voltage test 170kv 150kv 100kv Low frequency wet flashover voltage test 140kv 115kv 70kv Critical impulse flashover voltage test Positive 255kv 235kv 180kv Negative 345kv 320kv 260kv Radio influence voltage test Max.voltage test 1¦Ì/(Max) 1¦Ì/(Max) 1¦Ì/(Max) Mechanical Failing load test 10,000kgf 10,000kgf 10,000kgf Number of sheds 8 6 4 Dimensions Section Length 540mm 449mm 352mm Leakage distance 886mm 674mm 445mm Minimum arcing distance 410mm 320mm 215mm

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