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cantilever composite insulator for electrical railway
1. uneasy broken, high bending strength
2. ISO9001 certificate
No. |
Fig. |
Type |
Rated voltage KV | Specified mechanical bending load KN |
Section height H, mm | Min arcing distance h, mm | Large shed diameter D, mm | Small shed diameter d, mm |
Shed spacing B, mm | Min nominal creepage distance L, mm | Lighting impulse withstand voltage > | Stem power frequency voltage ≥ | Wet power frequency voltage ≥ | Weight kg |
1 | 37 | FQB-25/4-JH | 25 | 4 | 760±5 | 468 | 157 | 105 | 51 | 1600 | 300 | 180 | 150 | 7.2 |
2 | 37 | FQB-25/8-JH | 25 | 8 | 760±5 | 468 | 172 | 120 | 51 | 1600 | 300 | 180 | 150 | 11.5 |
3 | 37 | FQB-25/12-JH | 25 | 12 | 760±5 | 468 | 192 | 140 | 51 | 1600 | 300 | 180 | 150 | 15 |
cantilever composite insulator
