SteadyWin GIM8108-8 Planetary Gearmotor is a high-torque 48V 336W brushless motor solution, delivering 7.5N·m rated torque and 22N·m stall torque . It’s paired with an 8:1 planetary gearbox for precise motion control in robotics and automation. Built into a compact Ø92 × 55mm IP54-rated housing, it runs at a nominal speed of 110 RPM and supports real-time feedback via a 16-bit encoder . Perfect for robotic joints and smart actuators, it features: Dual load capacity: 225N axial / 900N radial CAN & Type-C connectivity for flexible integration Optional custom brakes for enhanced control Lightweight design: just 375g with driver Specifications Item Value Driver Model SDC104 Nominal Voltage 48 V Voltage Range 12–56 V Power 336 W Nominal Torque 7.5 N·m Stall Torque 22 N·m Nominal Speed after Reduction 110 rpm Max Speed after Reduction 320 rpm Nominal Current 7 A Stall Current 22 A Phase Resistance 0.67 Ω Phase Inductance 0.45 mH Speed Constant 6.67 rpm/V Torque Constant 1 N·m/A Number of Pole Pairs 21 pairs Gear Ratio 8:1 Gear Type Planetary Reducer Gear Material Steel Reducer Gear Backlash 15 arcmin Motor Weight (without driver) 378 g Motor Weight (with driver) 396 g Size (without driver) Ø92 × 44 mm Size (with driver) Ø92 × 55 mm Max Axial Load 225 N Max Radial Load 900 N Noise Communication CAN & Type‑C Second Encoder Yes Motor Protection Grade IP54 Working Temperature −20 ~ +80 °C Encoder Resolution (on driver) 16 bit Separate Encoder No Custom Brake Yes SteadyWin GIM8108-8 Gearmotor — Variant Comparison Table Variant Name Model Code Driver Included Weight Notes Motor Only SW-GIM8108-8 No ~375g Bare motor, no driver Motor + GDZ468 Driver SW-GIM8108-81Z GDZ468 ~396g Standard driver configuration Motor + GDS68 Driver SW-GIM8108-82S GDS68 ~396g Lightweight driver option Motor + GDS68 + 2ES68 Drivers SW-GIM8108-83SE GDS68 + 2ES68 ~396g Enhanced control, dual encoder Notes on Driver Options GDZ468: Full-featured driver with CAN/Type-C support GDS68: Compact driver for space-constrained setups 2ES68: Secondary encoder module for advanced feedback All variants maintain the same core motor specs: 48V, 336W, 7.5N·m torque, 8:1 gearbox, IP54 housing SteadyWin GIM8108-8 Planetary Gearmotor — Full Technical Overview Core Specifications Voltage Range: 12V–56V DC Nominal Voltage: 48V Power Output: 336W Rated Torque: 7.5 N·m Stall Torque: 22 N·m Nominal Speed (after 8:1 reduction): 110 RPM Max Speed (after reduction): 320 RPM Nominal Current: 7 A Stall Current: 22 A Precision & Control Encoder Resolution: 16-bit onboard Communication Protocols: CAN & Type-C Pole Pairs: 21 Speed Constant: 6.67 rpm/V Torque Constant: 1 N·m/A Phase Resistance: 0.67 Ω Phase Inductance: 0.45 mH Gearbox & Mechanics Gear Ratio: 8:1 Gear Type: Planetary Gear Material: Steel Backlash: ≤15 arcmin Max Axial Load: 225 N Max Radial Load: 900 N Noise Level: