High Voltage Transmission Line ANSI 56-1 Porcelain Insulator
High Voltage Transmission Line ANSI 56-1 Porcelain Insulator image
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Basic Info.
Product Description
| Pin type porcelain insulators | ||||||
| ANSI Class | 56-1 | 56-2 | 56-3 | 56-4 | 56-5 | |
| Dimensions | ||||||
| Diameter | mm | 191 | 229 | 267 | 305 | 343 |
| Height | mm | 146 | 165 | 191 | 241 | 318 |
| Creepage distance | mm | 330 | 432 | 533 | 686 | 865 |
| Dry arcing distance | mm | 178 | 210 | 241 | 286 | 356 |
| Minimum pin height | mm | 152 | 178 | 203 | 254 | 254 |
| Mechanical Values | ||||||
| Cantilever strength | kn | 11.4 | 13.6 | 13.6 | 13.6 | 13.6 |
| Electrical Values | ||||||
| Type application voltage | kv | 23 | 23 | 34.5 | 46 | 44 |
| Low frequency dry flashover voltage | kv | 95 | 110 | 125 | 140 | 175 |
| Low frequency wet flashover voltage | kv | 60 | 70 | 80 | 95 | 125 |
| Critical impulse flashover voltage,positive | kv | 150 | 175 | 205 | 225 | 270 |
| Critical impulse flashover voltage,negative | kv | 190 | 225 | 265 | 310 | 340 |
| Low frequency puncture voltage | kv | 130 | 145 | 165 | 185 | 225 |
| Radio influence Voltage Data | ||||||
| Test voltage RMS to ground | kv | 15 | 22 | 30 | 30 | 44 |
| Maximum RIV at 1000kHz | μv | 100 | 100 | 200 | 200 | 200 |
| Packing and Shipping Data | ||||||
| Net weight,approximate | kg | 3.5 | 5.6 | 8.5 | 10.8 | 13.5 |
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