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Line post porcelain insulator
1)ANSI,BS standard
2)Good quality and better price
3)Pin type insualtor
We can supply you reasonable price with best quality
Should you have any question,just feel free let me know.
We can proudcue it according the IEC ANSI GB BS AS
We can also produce customers drawing
We have passed the ISO 9001 ISO14001 quality certification.
Welcome to further inquiry.
Type | 57-1S/57-1L | 57-2S/57-2L | 57-3S/57-3L | 57-4L |
Creepage distance | 356mm | 559mm | 737mm | 1015 |
Dry arcing distance | 165mm | 241mm | 311mm | 368mm |
Cantilellvler strength | 12.5kN | 12.5Kn | 12.5kN | 12.5kN |
Lowe frequency dry flashover voltage | 80KV | 110Kv | 125Kv | 150Kv |
Lowe frequency wet flashover voltage | 60Kv | 85Kv | 100Kv | 125Kv |
Critical impulse flashover pos | 30Kv | 180Kv | 210Kv | 255Kv |
Critical impulse flashover Neg | 155Kv | 205Kv | 260Kv | 340Kv |
Test voltage to ground | 15Kv | 22Kv | 30Kv | 44Kv |
Maximum RIV at 1,000KHZ | 100uV | 100uV | 200uV | 200uV |
Net weight eash APPROX | 5.0kg | 9.5kg | 11kg | 16kg |
Number in standard package | 6 | 3 | 3 | 3 |