| Pin type porcelain insulators | ||||||
| type | P-11-Y | P-15-Y | P-22-Y | P-33-Y | P-36-Y | |
| Dimensions | ||||||
| Diameter | mm | 135 | 152 | 230 | 280 | 320 |
| Height | mm | 140 | 137 | 165 | 244 | 245 |
| Total creepage distance | mm | 254 | 298 | 432 | 630 | 900 |
| Protected creepage distance | mm | 102 | 133 | 200 | 267 | 450 |
| Recommended pin height | mm | 152 | 165 | 178 | 216 | 305 |
| Mechanical Values | ||||||
| Cantilever strength | kn | 11 | 11 | 11 | 11 | 10 |
| Electrical Values | ||||||
| Type application voltage | kv | 11 | 15 | 22 | 33 | 36 |
| Power frequency dry flashover voltage | kv | 75 | 80 | 100 | 135 | 160 |
| Power frequency wet flashover voltage | kv | 50 | 55 | 60 | 85 | 110 |
| 50% impulse flashover voltage,positive | kv | 115 | 130 | 160 | 185 | 190 |
| 50% impulse flashover voltage,negative | kv | 150 | 175 | 205 | 205 | 200 |
| Power frequency puncture voltage | kv | 150 | 135 | 145 | 185 | 200 |
| Radio influence Voltage Data | ||||||
| Test voltage RMS to ground | kv | 15 | 15 | 22 | 30 | 22 |
| Maximum RIV at 1000kHz | μv | 100 | 100 | 100 | 200 | 30dB |
| Net weight,approximate | kg | 1.8 | 2.0 | 5.0 | 11.5 | 12.5 |
