Fitted on a ground radar this hollow-shaft slip ring can be supplied with an integrated hyper frequency coaxial rotary joint. It has EMI, RMI immunity.
![RA01a[1]](/media/111765/RA01a[1]_125x145.jpg)
| Group of rings | A | B | C | D | E |
| Number of rings | | 4 | 30 | 10 | 1 | |
| Current | (A) | 60 | 2 | 0.5 | 100 | |
| Nominal voltage | (V) | 220 - 380 | - | Bus | 0 | |
| Frequency | (Hz) | 60 | 10 M | 20 M | DC | |
| Insulation resistance | (MΩ) | 1000 | 1000 | 1000 | - | |
| Dielectric strength | (V) | 2500 | 1000 | 500 | - | |
| Contact noise | (µV/mA) | 1 | 20 | 20 | 1 | |
Additional specifications
| Term | Specifications |
| Speed : | 30 rpm |
| Service life : | 30.10E6 rotations |
| Sealing : (NFC 20-010) | IP 55 |
| Relative humidity : | 100 % |
| Weight : | 25 kg |
| Operating temperature : | -40 < T (°C) < +55 |
| Other Bus signals : | IEEE 488, IEEE 1149, VME 1553, RS 232, RS 422-423 |