High-speed slip ringsLegacy
Moog PH Series
Through-bore high-speed slip ring rated to 20,000 rpm with 8 or 12 circuits; now an end-of-life legacy product.
Moog lists this series as legacy. We can help with spares for installed machines, a migration to the replacement, or an alternative.
Key specifications
| Circuits (max) | 12 |
|---|---|
| Current per circuit (max) | 2 A |
| Voltage (max) | 50 V |
| Speed (max) | 20,000 rpm |
| Bore | 38.6–38.6 mm |
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 · Source 3
Notes on this data
Dimensions converted from published inches. Catalogue part numbers 80042-950 / 80043-950.
Specify Motion is not affiliated with Moog Inc.. Moog and PH Series are used only to identify the product. Comparisons use published figures; always confirm against the current datasheet.
Typical applications
Engineer support
Speak to our engineers about your project
Our experienced engineers are on hand, ready to help with your project. Whether you need the Moog PH Series itself, help sourcing it, or a modified or custom design built around your load, speed and space, tell us what the machine has to do and we'll come back with the right option.
- Help sourcing PH Series and spares for installed machines
- Modified and custom designs when a catalogue part doesn't fit
- Complete axis: motor, drive, gearing and feedback matched together
Other high-speed slip rings series
Spec builder
Specify what you need instead of PH Series
Select every part you need, answer the questions an applications engineer would ask, and see your summary before we ask for any details.
- 1Products
- 2Performance
- 3Environment
- 4Volumes
- 5Your spec
Engineer support
Our engineers are ready to help with your project
Tell us about your project and how you use the Moog PH Series: the load, speed, duty and environment. An experienced engineer will review it and reply, normally within one working day.
- Reviewed by an engineer, not an autoresponder
- Like-for-like and better-fit alternatives
- Standard, modified and custom options
Prefer to configure it? Use the spec builder.