The structure of disc suspension insulators enables them form the insulator string by fitting into themselves one another as per voltage requirement. Connected fitting type: ball & socket type; clevis & tongue type Strength can be 40 kn, 45kn, 60kn, 70kn, 80kn, 100kn, 110kn, 120 kn, 125kn, 160kn, 210kn, 300kn Main type: Standard suspension insulator: Ansi type: 52-1, 52-2, 52-3, 52-4, 52-5, 52-6, 52-8, 52-9 according to ansi c29.2 Iec type: u70bl, u70bs, u100b, u120b, u160b, u210b, u300b according to iec383, bs137 Fog type anti-pollution suspension insulators Double shed anti-pollution insulators Standard exporting packing, 2520pcs/container