Product details
Pin type insulator can be used on transmission and distribution lines for medium and high voltage made of porcelain materials


| Pin type porcelain insulators For High Voltage | ||||||
| ANSI Class | 55-1 | 55-2 | 55-3 | 55-4 | 55-5 | |
| Dimensions | ||||||
| Diameter | mm | 83 | 95 | 121 | 142 | 178 |
| Height | mm | 89 | 83 | 95 | 111 | 124 |
| Creepage distance | mm | 102 | 127 | 178 | 229 | 305 |
| Dry arcing distance | mm | 57 | 86 | 114 | 127 | 159 |
| Minimum pin height | mm | 102 | 102 | 127 | 127 | 152 |
| Mechanical Values | ||||||
| Cantilever strength | kn | 13.6 | 11.4 | 11.4 | 13.6 | 13.6 |
| Electrical Values | ||||||
| Type application voltage | kv | 7.2 | 7.2 | 11.5 | 13.2 | 15 |
| Low frequency dry flashover voltage | kv | 35 | 45 | 55 | 65 | 80 |
| Low frequency wet flashover voltage | kv | 20 | 25 | 30 | 35 | 45 |
| Critical impulse flashover voltage,positive | kv | 50 | 70 | 90 | 105 | 130 |
| Critical impulse flashover voltage,negative | kv | 70 | 85 | 110 | 130 | 150 |
| Low frequency puncture voltage | kv | 50 | 70 | 90 | 95 | 115 |
| Radio influence Voltage Data | ||||||
| Test voltage RMS to ground | kv | 5 | 5 | 10 | 10 | 10 |
| Maximum RIV at 1000kHz | μv | 50 | 50 | 50 | 50 | 50 |
| Packing and Shipping Data | ||||||
| Net weight,approximate | kg | 1.2 | 1.4 | 2.4 | 3.7 | 6.4 |
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