CubeMars
CubeMars RI100 KV105
Ultra-compact frameless inrunner torque motor (Φ104 × 26 mm, 500 g) with 45 mm hollow shaft diameter and 0.01° precision control. Delivers 4.95 Nm peak / 1.76 Nm rated torque at up to 4,368 rpm from 12–48V. Designed for exoskeletons, quadruped robots, robotic arms, and industrial automation.
$148.90Backorder
1
- Ships from San Francisco
- Authorized distributor
- In-house support
Key Specifications
4.95 | Mechanical Time Constant（ms） | 0.16
Peak Torque（Nm）
24/36/48 | Ke（V/krpm） | 10.47
Rated Voltage（V）
0.5 kg
Net weight
Φ104 × 26 mm
Motor Dimensions
1.76 | Phase To Phase Inductace（μH） | 366.7
Rated Torque（Nm）
All Specifications
BrandCubeMars
CategoryActuator & Motor
AvailabilityBackorder
Net weight0.5 kg
Driving WayCobot Arm/Exoskeleton: FOC | Insulation Class: Insulation High-Voltage | C: 1000V 5mA/2s
Operation Ambient TemperatureCobot Arm/Exoskeleton: -20℃~50℃ | Insulation Class: Insulation Resistance | C: 1000V 10MΩ
Winding TypeCobot Arm/Exoskeleton: Delta | Insulation Class: Phase | C: 3
Pole PairsCobot Arm/Exoskeleton: 14
Kt（Nm/A）0.129 | Maximum Torque Weight Ratio（Nm/Kg） | 9.9
UBlack+16#Silicone Wire | Hv | Green+30#Silicone Wire
VYellow+16#Silicone Wire | Hw | Blue+30#Silicone Wire
WRed+16#Silicone Wire | VCC GND | Red+30#Silicone WireBlack+30#Silicone Wire
HuYellow+30#Silicone Wire | Correspondence | Hu-U Hv-V Hw-W
Motor DimensionsΦ104 × 26 mm
Hollow Shaft Diameter45 mm
Motor Weight500 g
No Load Speed（Rpm）2184/3276/4368 | Phase To Phase Resistance（mΩ） | 126
Rated Torque（Nm）1.76 | Phase To Phase Inductace（μH） | 366.7
Rated Speed（Rpm）1370/2100/2825 | Inertia（gc㎡） | 215.5
Peak Torque（Nm）4.95 | Mechanical Time Constant（ms） | 0.16
Kv（Rpm/V）105 | Weight（g） | 500
Peak Torque4.95 Nm
No Load Speed4368 rpm@48V
High Torque Density & Lightweight DesignIdeal for insertion into space-constrained robotic joints and mechanisms
Ultra Low Cogging Torque & Fast ResponseAdvanced electromagnetic optimization ensures smooth motion and rapid dynamic response, even at low speeds
Rated Voltage（V）24/36/48 | Ke（V/krpm） | 10.47
Rated Current（ADC）13.6 | Km（Nm/√W） | 0.3634
Peak Current（ADC）38.6 | Electrical Time Constant（ms） | 2.91
Wide Voltage CompatibilityOperates across 12 V to 48 V systems, making it adaptable to a broad range of robotic and automation platforms
