Insulators
ANSI 56-4 Grey Porcelain Pin Insulator
Product Overview
Grey-glazed ANSI 56-4 porcelain pin insulator with 686 mm creepage and 13 kN cantilever strength.
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Technical Parameters
| Parameter | Unit | Value |
|---|---|---|
| ANSI class | 56-4 | |
| Body diameter | mm | 305 ± 10 |
| Overall height | mm | 241 ± 8 |
| Creepage distance | mm | 686 |
| Dry arcing distance | mm | 286 |
| Minimum pin height | mm | 254 |
| Cantilever strength | kN | 13 |
| Low-frequency dry flashover | kV | 140 |
| Low-frequency wet flashover | kV | 95 |
| Positive impulse flashover | kV | 225 |
| Negative impulse flashover | kV | 310 |
| Low-frequency puncture voltage | kV | 185 |
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