TCI porcelain suspension insulator for string

TCI porcelain disc insulator for string 1.sample provide 2.certificated by IEC ANSI GB ISO9001 3.We can design or according to drawings Adisc suspension porcelaindisc insulator is an assembly of one or more shells with metallic fittings.They have means for nonrigid supporting.In operation,it is always connected to insulator string.A disc insulator set complete with the fittings is used to carry a line conductor or conductors at its lower end. Cat.No. 0101044 0101087 0101067-1 0101087-2 0101111 Class 52-1 52-2 52-3 52-4 52-5 Fig.No. 1 2 3 4 3 Unit Spacing(H)-mm 140 146 146 146 146 Nominal Diameter(D)-mm 160 200 255 255 255 Leakage Distance-mm 178 210 292 292 279 Dry Arcing Distance-mm 114 154 197 197 197 Combined E&M Strength-N.m 44 67 67 67 111 Tension Proof Test Load-KN 22 33.5 33.5 33.5 55.5 Mechanical Impact Strength-N.m 5.0 5.5 6 6 7 Time Load Test Value-KN 26 40 44.5 44.5 67 Power Frequency Flashover Wet-KV 30 35 50 50 50 Dry-KV 60 65 80 80 80 Critical Impulse Flashover Voltage Positive-KV 100 115 125 125 125 Negative-KV 100 115 130 130 130 Low Frequency Puncture Voltage-KV 80 90 110 110 110 Radio Interference Voltage Test Voltage to Ground-KV 7.5 7.5 10 10 10 Max.RIV at 1MHz-uV 50 50 50 50 50 Weight-kg 2.5 3.6 4.6 4.9 5.6