Elmo Gold Twitter R80/80 Servo Drive
Industrial PCB-mount nano servo drive (35 x 30 mm, ~22 g) with STO and EtherCAT/CANopen, used in high-end robot joints and exoskeletons; R80/80 is the 80 A / 80 V class.
Specifications
| Bus voltage | 10-75 V (65 V nominal), R80/80 |
|---|---|
| Continuous current | Ic 80 A amplitude (56.5 A RMS) |
| Peak current | Not listed for R-series (standard models 2 x Ic) |
| Interface | EtherCAT or CANopen; USB, RS232 |
| Feedback | Incremental, digital Hall, SIN/COS, resolver, BiSS, EnDat 2.2/3, HIPERFACE/DSL, SSI, Tamagawa, Panasonic, Sanyo Denki |
| Continuous power | 5 kW |
| Mass | 22.2 g EtherCAT / 18.6 g CAN (no heatsink) |
| Dimensions | 35 x 30 x 14.4 mm (EtherCAT, no heatsink) |
| Safety | STO |
Who makes it
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
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Compliance
| HTS classification | 8504.40.40.00 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
| Notes | Product page header and highlights disagree on max ratings (50A/60V vs 80A/80V). |
Equivalents from other makers
Works with
Sources
- https://www.elmomc.com/product/gold-twitter/model table, voltage classes, feedback, interfaces, mass, dimensions, manual + STEP links
Record confidence: VERIFIED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.