FeeTech
FEETECH STS3250 50KG 360° Dual Shaft Serial Bus Servo 12V Metal Gear Robot Servo
FEETECH STS3250 50KG 360° Dual Shaft Serial Bus Servo 12V Metal Gear Robot Servo
Couldn't load pickup availability
Share
Product Overview
The FEETECH STS3250 is a high-torque intelligent serial bus servo designed for robotics, automation systems, humanoid robots, and AI motion control applications. Featuring a full metal gear structure, aluminum alloy housing, magnetic encoder feedback, and 360° controllable rotation, the STS3250 delivers reliable high-load performance with precise motion control.
Powered by a 12V operating system and capable of producing up to 50KG.cm stall torque, this servo supports position, speed, voltage, current, and load feedback through serial communication. It is ideal for robotic joints, mobile robots, robotic arms, and advanced embedded motion systems.

Key Features
- High torque output up to 50KG.cm @12V
- 360° controllable rotation with magnetic encoder
- Dual shaft structure for flexible mechanical design
- Full metal stainless steel gear transmission
- Durable aluminum alloy housing
- Intelligent serial bus communication
- Supports position, speed, voltage, current, and load feedback
- Acceleration and deceleration control support
- Overcurrent, overload, and stall protection
- Multiple operating mode switching
Applications
- Humanoid robots
- AI embodied robotics
- Robotic arms and joints
- Mobile robots and AGV systems
- Educational robotics platforms
- Industrial automation projects
- Smart mechanical systems
- Embedded motion control applications
Technical Specifications
| Item | Specification |
|---|---|
| Model | STS3250-C001 |
| Servo Type | Intelligent Serial Bus Servo |
| Operating Voltage | 12V |
| Stall Torque | 50KG.cm @12V |
| Rated Torque | 16KG.cm @12V |
| No-load Speed | 75RPM @12V |
| Stall Current | 4.2A @12V |
| Rated Current | 1.4A @12V |
| Operating Angle | 360° (0~4095 Position Control) |
| Encoder Type | Magnetic Encoder |
| Gear Material | Hardened Stainless Steel |
| Housing Material | Aluminum Alloy |
| Shaft Type | Dual Shaft |
| Weight | Approx. 74.5g |
| Communication Interface | Serial Bus |
| Output Spline | 25T |
Intelligent Bus Control Functions
The STS3250 supports advanced serial communication control with intelligent feedback functions, including:
- Position feedback
- Speed feedback
- Voltage monitoring
- Current monitoring
- Load feedback
- Acceleration/deceleration control
- One-key middle position calibration
- Overload protection
- Overcurrent protection
- Stall protection
- Multi-mode operation switching
Mechanical Advantages
Dual Shaft Design
The dual shaft structure provides greater flexibility for robot joint installation and mechanical linkage systems.
Full Metal Gear System
Hardened stainless steel gears improve wear resistance and provide stable high-load transmission performance.
Aluminum Alloy Housing
The reinforced metal shell improves structural rigidity, heat dissipation, and long-term durability.
Magnetic Encoder Feedback
High-resolution magnetic encoder enables precise angle positioning and smooth continuous rotation control.
Package Includes
Standard Version
- 1 × FEETECH STS3250 Servo
- Mounting Brackets
- Metal Servo Horns
- Mounting Screws
- Connection Cable
- User Manual
Debug Board Kit Version
- 1 × FEETECH STS3250 Servo
- USB Debug Board
- USB Cable
- Mounting Accessories
- Connection Cable
