Insulators
TR-202 Porcelain Station Post Insulator | 7.5 kV — Oblique View
Product Overview
TR-202 porcelain station post insulator, drawing reference 1750. The model sheet specifies a 7.5 kV class, 10.5 in leakage distance and 95 kV basic impulse level. Values follow the model-specific drawing where the broad source table differs.
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Technical Parameters
| Parameter | Unit | Value |
|---|---|---|
| Model | TR-202 | |
| Station post catalogue number | 1750 | |
| Voltage class | kV | 7.5 |
| Basic impulse level | kV | 95 |
| Overall height | in | 7.5 |
| Maximum shed diameter | in | 5 7/8 |
| Leakage distance | in | 10.5 |
| Cantilever strength | lb | 2,000 |
| Tension strength | lb | 7,000 |
| Torsion strength | in-lb | 6,000 |
| Compression strength | lb | 10,000 |
| Positive impulse flashover | kV | 105 |
| 60 Hz wet withstand | kV | 30 |
| Impulse withstand | kV | 95 |
| RIV test voltage to ground | kV | 5 |
| Maximum RIV at 1000 kHz | µV | 50 |
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