Slipring

PRS Series

PRS

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.

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


  • 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
Rules:
  • 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

Availability on demand:

  • Mixed versions with 20 A / 30 A / 50 A rings
  • Signal versions with gold or silver rings
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