Slip Rings PRS series
Ravioli Slip Ring Type PRS is realised with a metallic bottom and an aluminium cover both characterised by a strong mechanical resistance and high protection degree. Blade or copper-graphite or silver-graphite brushes for signals are available, executions range from 4 to 14 rings 20/30/50 A, protection degree IP55.
This Slip Ring is specifically suitable for outdoor applications characterised by a limited numbers of passages.
- Technical Features
- Standards
- Models
- Download
Main Features
-
Housing In aluminium
- Positioning Vertical axis
- Cable entry To connect rings to the clamp, through the tube and to the brush-holders cable entry through the PG 21
- Brushes 20 A copper-graphite brushes / silver-graphite for signals, 30 A blade or copper-graphite and 50 A blade or copper-graphite
- Executions From 6 to 15 rings 20 A, from 4 to 14 rings 30 A and from 4 to 10 rings 50 A
- Marking CE
Electrical Features
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Nominal voltage 660 V ac - dc
- Nominal current Ith 20 A - 30 A - 50 A
- Protection degree IP 55
- Max rotating speed 30 revs / min
- Test voltage 2,5 kV
- Operating temperature - 20 °C + 60 °C
Regulations
EC:
- 2014/35/UE
- 2014/30/UE
- 2006/42/CE
- RoHS 2011/65/UE
- CEI EN 60947-5-1
- CEI EN 60529
Standard Executions
| 20 A | 30 A | 50 A | ||||
| Items | No. Rings | Items | No. Rings | Items | No. Rings | H - mm |
| G PRS B6 | 6 | G PRS C4L | 4 | G PRS D4L | 4 | 192 |
| G PRS B9 | 9 | G PRS C6L | 6 | - | - | 192 |
| G PRS B12 | 12 | G PRS C8L | 8 | G PRS D6L | 6 | 252 |
| G PRS B15 | 15 | G PRS C10L | 10 | - | - | 252 |
| - | - | G PRS C12L | 12 | G PRS D8L | 8 | 312 |
| - | - | G PRS C14L | 14 | G PRS D10L | 10 | 312 |
- Mixed versions with 20 A / 30 A / 50 A rings
- Signal versions with gold or silver rings