The RI50 KV100 without hall sensor has more continuous torque (0.58 N·m against 0.57 N·m), more peak torque (1.67 N·m against 1.63 N·m) and a higher torque constant (0.120 N·m/A against 0.100 N·m/A), draws less current at its rating (4.8 A against 5.6 A), and is narrower (54 mm against 60 mm). The RI60 KV120 without hall sensor is lighter (155.9 g against 180.8 g) and shallower (23 mm against 27 mm), and turns faster at the output (1440/2320/3190 RPM against 1090/1860/2600 RPM).
The RI50 KV100 without hall sensor is US$69 and the RI60 KV120 without hall sensor is US$111. That is US$118.97 per rated N·m for the RI50 KV100 without hall sensor and US$194.74 per rated N·m for the RI60 KV120 without hall sensor.
| RI50 KV100 without hall sensor | RI60 KV120 without hall sensor | |
|---|---|---|
| Rated Torque (N·m) | 0.58 | 0.57 |
| OD (mm) | 54 | 60 |
| Weight (g) | 180.8 | 155.9 |
| Peak Torque (N·m) | 1.67 | 1.63 |
| Rated Voltage (V) | 24/36/48 | 24/36/48 |
| Rated Speed (RPM) | 1090/1860/2600 | 1440/2320/3190 |
| No-Load Speed (RPM) | 2004/3006/4008 | 2532/3798/5064 |
| Rated Current (A) | 4.8 | 5.6 |
| Motor Constant Km (N·m/√W) | 0.1007 | 0.1054 |
| Peak Current (A) | 14.8 | 16.8 |
| Maximum Torque Weight Ratio (N·m/kg) | 9.24 | 10.46 |
| Height (mm) | 27 | 23 |
| Kv (RPM/V) | 100 | 120 |
| Kt (N·m/A) | 0.120 | 0.100 |
| Ke (V/kRPM) | 11.41 | 9.03 |
| Phase to Phase Resistance (mΩ) | 1420 | 900 |
| Phase to Phase Inductance (μH) | 1500 | 877.5 |
| Inertia (g·cm²) | 22.8 | 33.05 |
| Mechanical Time Constant (ms) | 0.22 | 0.30 |
| Electrical Time Constant (ms) | 1.06 | 0.98 |
| Pole Pairs | 7 | 14 |
| Winding Type | Star Phase 3 | Delta Phase 3 |
| Operation Ambient Temperature | -20℃~50℃ | -20℃~50℃ |
| Driving Way | FOC | FOC |
| Application | Cobot Arm, Exoskeleton | Cobot Arm, Exoskeleton |
Rows the two disagree on are marked; the figures are CubeMars'. To put any other two parts side by side, build your own comparison.