Marine and subsea slip rings
Moog Model 173
Electro-optical hybrid marine rotary unit combining up to 52 fibre passes with high-voltage power.
Key specifications
| Voltage (max) | 7,400 V |
|---|---|
| Fibre channels (max) | 52 |
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
Up to 720 A total.
Specify Motion is not affiliated with Moog Inc.. Moog and Model 173 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 series from our supply network is 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 | Model 173 | BHR Series Frameless Type (Carbon Brush) |
|---|---|---|
| Circuits | — | 76 |
| Current per circuit | — | 500 A |
| Speed | — | 10 rpm |
| Voltage | 7,400 V | 20,000 V meets or exceeds |
| Fibre channels | 52 | — |
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 marine and subsea slip rings series
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