Tr205 ANSI Solid Core Station Post Insulators for Power Station
Tr205 ANSI Solid Core Station Post Insulators for Power Station image
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Basic Info.
Product Description
| Long rod porcelain insulators | ||||||
| ANSI Class | TR205 | TR208 | TR210 | TR214 | TR216 | |
| Dimensions | ||||||
| Diameter | mm | 178 | 178 | 191 | 203 | 232 |
| Height | mm | 254 | 356 | 457 | 559 | 762 |
| Creepage distance | mm | 394 | 610 | 940 | 1092 | 1892 |
| Mechanical Values | ||||||
| Torsion Strength | kn | 38 | 44.5 | 53 | 62 | 71 |
| Compression Strength | kn | 44.5 | 44.5 | 66.7 | 66.7 | 111 |
| Cantilever Strength | kn | 8.9 | 8.9 | 8.9 | 8.9 | 6.7 |
| Electrical Values | ||||||
| power frequency dry withstand voltage | kv | 85 | 110 | 145 | 170 | 235 |
| power frequency wet withstand voltage | kv | 55 | 75 | 100 | 125 | 180 |
| Critical impulse flashover voltage,positive | kv | 125 | 170 | 225 | 280 | 390 |
| Critical impulse flashover voltage,negative | kv | 200 | 250 | 290 | 340 | 475 |
| Impulse Withstand voltage | kv | 110 | 150 | 200 | 250 | 300 |
| Power frequency dry flashover voltage | kv | 55 | 75 | 100 | 125 | 180 |
| Power frequency wet flashover voltage | kv | 40 | 60 | 80 | 100 | 145 |
| Radio influence Voltage Data | ||||||
| Impulse Withstand Voltage | kv | 110 | 150 | 200 | 250 | 350 |
| Net weight,approximate | kg | 7 | 11 | 16 | 21 | 30 |
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