Insulators
U160B Porcelain Suspension Disc Insulator
Product Overview
U160B porcelain suspension disc insulator with 160 kN electro-mechanical failing load and 320 mm creepage distance.
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Technical Parameters
| Parameter | Unit | Value |
|---|---|---|
| IEC class | U160B | |
| Coupling size | 20 | |
| Diameter | mm | 255 |
| Spacing | mm | 146 |
| Creepage distance | mm | 320 |
| Electro-mechanical failing load | kN | 160 |
| Impact strength | N·m | 10 |
| Routine proof test load | kN | 80 |
| Dry power-frequency withstand | kV | 75 |
| Wet power-frequency withstand | kV | 45 |
| Positive impulse flashover | kV | 125 |
| Negative impulse flashover | kV | 130 |
| Lightning impulse withstand | kV | 100 |
| Power-frequency puncture voltage | kV | 130 |
| Test voltage RMS to ground | kV | 10 |
| Maximum RIV at 1000 kHz | µV | 50 |
| Approximate net weight | kg | 7.8 |
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