1.Hot sale America standard Line Post Insulators 2.standard ANSI 3.Material Porcelain 4.Used in the transmission line
Post Insulators For High Voltage
ANSI Class | 57-1L | 57-2L | 57-3L | 57-4L | 57-5L |
Creepage Distance (mm) | 356 | 559 | 737 | 1015 | 1143 |
Dry Arcing Distance(mm) | 165 | 241 | 311 | 368 | 438 |
Cantilever Strength (KN) | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 |
Low Frequency Dry Flashouer(kv) | 80 | 110 | 125 | 150 | 175 |
Low Frequency Wet Flashover (kv) | 60 | 85 | 100 | 125 | 150 |
Critical Impulse Flashover Pos(kv) | 30 | 180 | 210 | 255 | 290 |
Critical Impulse Flashover Neg(kv) | 155 | 205 | 260 | 340 | 380 |
Test Voltage To Ground(kv) | 15 | 22 | 30 | 44 | 44 |
Maximum RIV at 1000KHZ (uv)1000KHZ | 100 | 100 | 200 | 200 | 200 |
Net Weight Each Approx(kg) | 5.0 | 9.5 | 11 | 16 | 18 |
Number in standard package | 6 | 3 | 3 | 2 | 2 |
Hot sale America standard Line Post Insulators
