Slip Ring in thermoplastic insulating material
Ravioli Slip Ring Type PRP is realised with a protective insulating housing made of a high mechanical resistant thermoplastic material. One of its outstanding features is the internal hole D42mm which is totally free and allows the passage of tubes for liquids, shafts or metallic wires. Blade or copper-graphite or silver-graphite brushes for signals are available, executions range from 4 to 36 rings 20/30/50 A.
Ravioli Slip Ring Type PRP combines safety, reliability and versatility to a highly competitive cost.
NOTE: The PRP slip ring model will be in end of life, it will be replaced by the following new version PRE
- Technical Features
- Standards
- Models
- Download
Main Features
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Housing In thermoplastic insulating material
- Inside passage 42 mm diameter through steel pipe for the passage of hoist cables, fl uid cables and piston stems
- Positioning Vertical axis
- Cable Entry Through 1/2” Gas cable entry on the inferior and superior fl ange. Inside terminal to connect the rings
- Brushes 20 A copper-graphite brushes, 30 A blade or copper-graphite and 50 A blade or copper-graphite
- Executions From 6 to 36 rings 20 A from 4 to 12 rings 30 A and from 4 to 12 rings 50 A. Mixed executions with 4 rings 30 A and till 30 rings 20 A
- Armonized rules EN 60947-5-1 EN 60529 Directives: 2006/95/CE - 2004/108/CE - 2006/42/CE
- 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 51
- 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 60945-1
- CEI EN 60529
Standard Executions
| 20 A | 30 A | 50 A | ||||
| Items | No. Rings | Items | No. Rings | Items | No. Items | H - mm |
| G PRP B6 | 6 | G PRP C4L | 4 | - | - | 260 |
| G PRP B9 | 9 | G PRP C6L | 6 | G PRP D4L | 4 | 290 |
| G PRP B12 | 12 | G PRP C8L | 8 | - | - | 320 |
| G PRP B15 | 15 | G PRP C10L | 10 | - | - | 350 |
| G PRP B18 | 18 | G PRP C12L | 12 | G PRP D8L | 8 | 380 |
| G PRP B21 | 21 | G PRP C14L | 14 | - | - | 410 |
| G PRP B24 | 24 | G PRP C16L | 16 | G PRP D12L | 12 | 440 |
| G PRP B27 | 27 | G PRP C18L | 18 | - | - | 470 |
| G PRP B30 | 30 | G PRP C20L | 20 | - | - | 500 |
| G PRP B33 | 33 | G PRP C22L | 22 | - | - | 530 |
| G PRP B36 | 36 | G PRP C24L | 24 | - | - | 560 |
Nelle esecuzioni da 30A e 50A togliere la lettera L dal codice se si desidera avere le spazzole in grafite-rame.
Sono disponibili a richiesta:
- Versioni combinate con anelli da 20a/30a/50a
- Versioni per segnali con anelli dorati o argentati