Insulators
ANSI 52-4 Brown Porcelain Suspension Disc, 70 kN — Alternate Product View
Product Overview
Brown-glazed ANSI 52-4 porcelain suspension disc with 70 kN rated electromechanical load and 320 mm creepage.
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Technical Parameters
| Parameter | Unit | Value |
|---|---|---|
| Colour | Brown-glazed | |
| ANSI class | 52-4 | |
| Disc diameter | mm | 254 ± 11.7 |
| Spacing | mm | 146 ± 5 |
| Creepage distance | mm | 320 |
| Dry arcing distance | mm | 197 |
| Power-frequency puncture voltage | kV | 110 |
| Power-frequency dry flashover | kV | 80 |
| Power-frequency wet flashover | kV | 50 |
| Positive critical impulse flashover | kV | 125 |
| Negative critical impulse flashover | kV | 130 |
| Rated electromechanical failing load | kN | 70 |
| Tension proof load | kN | 35 |
| Impact strength | N·m | 6 |
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