Kaiserdrive KGU-17B Harmonic Integrated Joint Module (33 N·m rated)
Vendor: Kaiserdrive
Product: KGU-17B

Jiangsu Kaiserdrive (subsidiary of Leaderdrive Harmonic Drive, STAR-688017) KGU robot joint module, model KGU-17B: 33 N·m rated / 61 N·m max torque, 38/62 rpm rated/max speed, 130 W rated power, 48VDC, ratio 1/81. Integrated harmonic reducer + frameless torque motor + built-in EtherCAT/CANopen servo driver + dual 20-bit single-turn absolute encoders (BiSS-C), 50 arcsec positioning / 10 arcsec repeatability, Φ10mm hollow shaft, Φ80×81mm envelope, only 1.12kg, optional power-off holding brake. For lightweight humanoid-arm joints (payload/weight ratio near 1:1); smallest joint under 350g.
| Bus | EtherCAT / CANopen |
| Model | KGU-17B |
| Weight | 1.12 kg |
| Encoder | 20bit (BiSS-C) |
| Reducer | ( 1/81) |
| Voltage | 48VDC( 24VDC) |
| Dimensions | Φ80×81 mm |
| Gear Ratio | 1/81 |
| Peak Speed | 62 rpm |
| Protection | (F ) |
| Peak Torque | 61 N·m |
| Rated Power | 130 W |
| Rated Speed | 38 rpm |
| Vendor Site | https://www.kaiserdrive.com |
| Hollow Shaft | Φ10 mm |
| Rated Torque | 33 N·m |
| Repeatability | 10 arcsec |
| Positioning Accuracy | 50 arcsec |