Design –
- Insulating shroud.
- Threaded rod for test connection.
- Two nuts M12.
- Insulation.
- Test rod stem.
An insulating shroud is provided to allow the application of test voltages when bushings are closely spaced.
Test type | Maximum A.C. test voltage (2 x Uo – 5 min) | Maximum D.C. test voltage (30 min) | Maximum impulse voltage (1.2 x 50 µs) | Maximum VLF test voltage (0.1 Hz – 60 min) |
---|---|---|---|---|
80TR | up to 42 kV | 96 kV | 95 kV | up to 63 kV |