Insulators
ANSI 57-3 Brown Porcelain Line Post Insulator | 737 mm Creepage
Product Overview
Brown ANSI 57-3 porcelain line post insulator; the model drawing specifies 737 mm creepage and 12.5 kN cantilever strength.
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Technical Parameters
| Parameter | Unit | Value |
|---|---|---|
| ANSI class | 57-3 | |
| Body height | mm | 368 ± 6 |
| Body diameter | mm | 165 ± 5 |
| Creepage distance | mm | 737 |
| Cantilever strength | kN | 12.5 |
| Low-frequency dry flashover | kV | 125 |
| Low-frequency wet flashover | kV | 100 |
| Positive critical impulse flashover | kV | 210 |
| Negative critical impulse flashover | kV | 260 |
| RIV test voltage to ground | kV | 30 |
| Maximum RIV at 1000 kHz | µV | 200 |
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