Porcelain Disc Insulator For High Voltage

With advanced producting equipment and methods.,inspection means as wel,our porcelain insulators reach up to the domestic and intemational standard,becoming the important and necessary insulatorproducts in the high-voltage distribution line 1.We can supply you reasonable price with best quality ,If you are interested in our products please dont hesitate to cantact us. 2.We can proudcue it according the IEC ANSI GB BS AS 3.We can also produce customers drawing Cat.no A1058 A1059 A1060 A1061 A1062 A1063 A1064 A1065 Fig 1 2 3 4 3 4 5 4 ClassANSI 52-1 52-2 52-3 52-4 52-5 52-6 52-9 52-10 Main dimentions D165 190.5 254 254 254 254 114 2794 H139.7 146 146 146 146 146 160 165 Creepage distance(mm) 178 210 292 292 279 279 171 279 Power-frequencepuncturevoltage (kv) 80 90 110 110 110 110 80 110 Average flashover voltage Power-frequency Dry 60 65 80 80 80 80 60 80 Wet 30 35 50 50 50 50 30 50 Critical-impulse15*40μ s wave Positive 100 115 125 125 125 125 90 125 Negatie 100 115 130 130 130 130 100 130 Radio-influence-voltage data Test voltage to ground(KV) 7.5 7.5 10 10 10 10 7.5 10 Maximum riv at 1000khz(μv) 50 50 50 50 50 50 50 50 Electromenchanical failing load(kn) 44 67 67 67 111 111 44 160 Menchanical pressure strength(n.m) 5 5.5 5.5 6 7 7 5 10 Time load test(kn) 27 44 44 44 67 67 27 107