Kaiserdrive KGU-11B Harmonic Integrated Joint Module (12 N·m rated)
Vendor: 开璇智能 Kaiserdrive
Product: KGU-11B
Jiangsu Kaiserdrive (subsidiary of Leaderdrive Harmonic Drive, STAR-688017) KGU robot joint module, model KGU-11B: 12 N·m rated / 23 N·m max torque, 40/62 rpm rated/max speed, 60 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), 69 arcsec positioning / 15 arcsec repeatability, Φ6.5mm hollow shaft, Φ62×68mm envelope, only 0.62kg, optional power-off holding brake. For lightweight humanoid-arm joints (payload/weight ratio near 1:1); smallest joint under 350g.
| bus | EtherCAT（默认）/ CANopen（可选） |
| brake | 可选掉电保持制动器 |
| model | KGU-11B |
| weight | 0.62 kg |
| encoder | 双 20bit 单圈绝对值编码器（BiSS-C） |
| reducer | 谐波减速（速比 1/81） |
| voltage | 48VDC（可选 24VDC） |
| backlash | 零背隙（谐波传动） |
| dimensions | Φ62×68 mm |
| gear_ratio | 1/81 |
| peak_speed | 62 rpm |
| protection | 全闭自冷（F 级绝缘） |
| peak_torque | 23 N·m |
| rated_power | 60 W |
| rated_speed | 40 rpm |
| vendor_site | https://www.kaiserdrive.com |
| hollow_shaft | Φ6.5 mm |
| rated_torque | 12 N·m |
| repeatability | 15 arcsec |
| positioning_accuracy | 69 arcsec |