The slip ring shown here in its de-icing version is mounted on the tail rotor of a helicopter. In addition to de-icing this slip ring is also used for the critical function of pitch adjustment of the tail rotor blades.
![AE03a[1]](/media/112118/AE03a[1]_199x280.jpg)
![AE03[1]](/media/112125/AE03[1]_176x279.jpg)
| Group of rings | A | B | C | D | E |
| Number of rings | | 4 | 2 | 2 | 6 | 1 |
| Current | (A) | 30 | 3 | 3 | 1 | 30 |
| Nominal voltage | (V) | 360 | 360 | 28 | 28 | 0 |
| Frequency | (Hz) | DC | DC | DC | 500 k | - |
| Insulation resistance | (MΩ) | 500 | 500 | 500 | 500 | - |
| Dielectric strength | (V) | 2000 | 2000 | 500 | 500 | - |
| Contact noise | (µV/mA) | 4 | 20 | 20 | 20 | - |
Additional specifications
| Term | Specifications |
| Speed : | 1450 rpm |
| Service life : | 80.10E6 rotations |
| Sealing : (NFC 20-010) | IP 54 |
| Relative humidity : | 95 % |
| Weight : | 4 kg |
| Operating temperature : | -40 < T (°C) < +90 |