Rugged and military slip rings
Moog Mobile equipment slip rings (F 5769 MR, F 7052, F 5892, F 5947)
Heavy-duty slip rings for cranes, excavators and aerial platforms, combining high power, CAN/Ethernet data and high-pressure hydraulic passages.
Key specifications
| Circuits (max) | 80 |
|---|---|
| Current per circuit (max) | 500 A |
| Voltage (max) | 1,000 V |
| Ingress protection | IP67 / IP69K |
| Data / bus | CAN Bus, CAN Safety, Ethernet |
Summarised in our own words from Moog Inc.'s published data; series maxima, individual models vary. Last checked 2026-10-29. Source 1 · Source 2
Notes on this data
Type set to rugged-military as closest rugged category (these are construction, not military). F 7052 up to 500 A (maintenance housing, no IP stated); hydraulic up to 500 bar on F 5769 MR / F 5892.
Specify Motion is not affiliated with Moog Inc.. Moog and Mobile equipment slip rings (F 5769 MR, F 7052, F 5892, F 5947) are used only to identify the product. Comparisons use published figures; always confirm against the current datasheet.
Typical applications
Alternatives that meet or exceed these figures
Engineers often come to us with a Moog part number and leave with an alternative that is easier to source, quicker to deliver or a better fit for the machine. These 3 series from our supply network are the closest match on published figures.
Heavy-duty carbon-brush slip rings for very high current and voltage, with copper-graphite power rings and precious-metal signal rings. Large and heavy by design, but straightforward to maintain.
| Published maximum | Mobile equipment slip rings (F 5769 MR, F 7052, F 5892, F 5947) | BHR Series Frameless Type (Carbon Brush) |
|---|---|---|
| Circuits | 80 | 76 |
| Current per circuit | 500 A | 500 A meets or exceeds |
| Speed | — | 10 rpm |
| Voltage | 1,000 V | 20,000 V meets or exceeds |
Slip rings with dedicated 100M or Gigabit Ethernet channels alongside power and signal circuits, offered in solid-shaft and through-bore forms.
| Published maximum | Mobile equipment slip rings (F 5769 MR, F 7052, F 5892, F 5947) | Ethernet Slip Ring |
|---|---|---|
| Circuits | 80 | 100 meets or exceeds |
| Current per circuit | 500 A | 30 A |
| Speed | — | 300 rpm |
| Voltage | 1,000 V | 240 V |
| Bore | — | 100 mm |
Sealed slip rings rated IP64 to IP68 for wet, washdown and marine settings such as ships and harbour equipment.
| Published maximum | Mobile equipment slip rings (F 5769 MR, F 7052, F 5892, F 5947) | Waterproof Slip Ring |
|---|---|---|
| Circuits | 80 | 44 |
| Current per circuit | 500 A | 85 A |
| Speed | — | 600 rpm |
| Voltage | 1,000 V | 1,100 V meets or exceeds |
| Bore | — | 127 mm |
Figures are the highest published for each series and are not always measured the same way. A higher figure is not automatically a better choice: mounting, duty cycle, feedback, connectors and approvals matter too. An engineer will check the fit against your application before recommending anything.
Other rugged and military slip rings series
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