⚙️SteadyWin GIM3505-8 is a compact planetary gear stepper motor built for robotics and automation. With 24V input, 29W output, and an 8:1 gearbox, it delivers stable torque and precise motion in a Ø43 mm form. Optional drivers and encoders enable closed-loop CAN control for industrial use.
🌟 Key Features
-
Compact & Powerful: Just Ø43×30mm in size and weighs only 97g — ideal for micro-robotics and exoskeleton systems
-
High Torque Outp
-
ut: Rated torque of 0.65N·m and stall torque up to 1.27N·m for robust performance
-
Integrated Driver: Built-in GDS34 driver board with CAN communication protocol for seamless control
-
Precision Encoder: Onboard 14-bit encoder with support for separate encoder and customizable brake
-
Durable & Reliable: IP54 protection, operating temperature from -20°C to +80°C — ready for harsh environments
📊 Specifications
| Feature | Unit | Value |
|---|---|---|
| Model | GIM3505-8 | |
| Winding method | Δ / Y (listed) | |
| Winding method (selected) | Y | |
| Driver board model | GDZ34 | |
| Rated voltage | V | 24 |
| Voltage range | V | 12–40 |
| Rated power | W | 37 |
| Rated torque | N·m | 0.67 |
| Peak torque (Stall torque) | N·m | 1.79 |
| Rated speed after reduce | RPM | 230 |
| Max speed after reduce | RPM | 400 |
| Rated current | A | 1.53 |
| Peak current (Stall current) | A | 3.99 |
| Phase-to-phase resistance | Ω | 5.47 |
| Phase-to-phase inductance | mH | 0.48 |
| Speed constant | rpm/V | 16.67 |
| Torque constant | N·m/A | 0.44 |
| Number of pole pairs | Pairs | 11 |
| Gear rate | 8:1 | |
| Gear type | Planetary | |
| Reducer gear material | ALU | |
| Reducer gear backlash | arcmin | 15 |
| Motor weight without driver | g | 84 |
| Motor weight with driver | g | 97 |
| Size without driver | mm | Ø43 × 23.6 |
| Size with driver | mm | Ø43 × 30 |
| Max axial load | N | 75 |
| Max radial load | N | 300 |
| Noise | dB | <60 |
| Communication | CAN & RS-485 | |
| Second encoder (the second encoder on the output shaft) | NO | |
| Protection grade (Motor Protection Grade) | IP54 | |
| Working temperature | °C | -20 to +80 |
| Resolution of the encoder on the driver | Bit | 14 bit |
| Can support separate encoder or not | YES | |
| Can support custom brakes | YES |
🚀Applications
-
🤖 Robotic joint modules
-
🦿 Exoskeleton actuators
-
🎥 Gimbal stabilizers
-
🚁 UAV propulsion systems
-
🏭 Industrial automation
🔧Version Compatibility Overview
| Feature | V1.0 | V1.1 |
|---|---|---|
| Encoder Type | AS5047P (external magnetic encoder) | MT6816 / MA7XX (integrated encoder) |
| Driver Compatibility | ❌ Not compatible with GDS/GDZ drivers | ✅ Compatible with GDS34 / GDZ34 |
| Communication Protocol | SPI only | CAN / RS-485 |
| Integration Level | Encoder only, no onboard driver | Integrated driver + encoder |
| Second Encoder Support | ❌ Not supported | ✅ Supported (via GDZ driver with MA7XX input) |
| Application Focus | Custom control systems, MCU integration | Plug-and-play motion control, industrial use |