Insulators
U420BP-205D 420 kN DC Porcelain Suspension Disc Insulator
Product Overview
U420BP-205D DC porcelain suspension disc insulator with 420 kN combined mechanical and electrical strength, 380 mm diameter, 205 mm spacing and 550 mm creepage according to the model drawing.
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Technical Parameters
| Parameter | Unit | Value |
|---|---|---|
| Model | U420BP-205D | |
| Diameter | mm | 380 |
| Spacing | mm | 205 |
| Creepage distance | mm | 550 |
| Combined mechanical and electrical strength | kN | 420 |
| Routine tensile load | kN | 210 |
| Coupling size | 28R | |
| Steep-front test voltage | kV | 392–399 |
| Test voltage RMS to ground | kV | 10 |
| Maximum RIV at 1000 kHz | µV | 50 |
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