Overview
The FEETECH SCS125 Servo Motor is a compact, high-torque digital servo designed for robotics and automation. It delivers 25kg.cm @7.4V within a 4–8.4V operating range and supports half duplex asynchronous serial communication with rich feedback (load, position, speed, input voltage, temperature). Steel gears, ball bearings, and a PA+Aluminium case provide durability, while a 0.215° position resolution enables precise control across a 220° running degree.
Key Features
- Peak stall torque: 25kg.cm @7.4V; rated torque: 8.3kg.cm @7.4V
- No-load speed: 0.151sec/60° @7.4V
- Operating voltage range: 4–8.4V
- Digital Packet command; half duplex asynchronous serial protocol
- Communication speed: 38400bps ~ 1 Mbps; ID range: 0–253
- Feedback: Load, Position, Speed, Input Voltage, Temperature
- Position sensor resolution: 0.215° (220°/1024); running degree: 220° (when 0~1024)
- Steel gears, ball bearings, PA+Aluminium case
- Horn gear spline: 25T/OD5.9mm; connector wire: 15CM
- Compact size: A:40.0mm B:20.0mm C:43mm; weight: 63.5± 1g
- Storage and operating temperatures: -30℃~80℃ and -15℃~70℃
- Limit angle: NO limit
Specifications
| Model | SCS125 |
| Product Name | 7.4V 25KG.CM |
| Storage Temperature Range | -30℃~80℃ |
| Operating Temperature Range | -15℃~70℃ |
| Size | A:40.0mm B:20.0mm C:43mm |
| Weight | 63.5± 1g |
| Gear type | Steel |
| Limit angle | NO limit |
| Bearing | Ball bearings |
| Horn gear spline | 25T/OD5.9mm |
| Case | PA+Aluminium |
| Connector wire | 15CM |
| Motor | Core Motor |
| Operating Voltage Range | 4-8.4V |
| No load speed | 0.151sec/60°@7.4V |
| Runnig current(at no load) | 250 mA@7.4V |
| Peak stall torque | 25kg.cm@7.4V |
| Rated torque | 8.3kg.cm@7.4V |
| Stall current | 3.5A@7.4V |
| Command signal | Digital Packet |
| Protocol Type | Half duplex Asynchronous Serial Communication |
| ID range | 0-253 |
| Communication Speed | 38400bps ~ 1 Mbps |
| Running degree | 220°(when 0~1024) |
| Feedback | Load, Position,Speed,Input Voltage,Temperature |
| Position Sensor Resolution | 0.215°(220°/1024) |
Applications
- Humanoid Robots
- Robotic Arms
- Exoskeletons
- Quadruped Robots
- AGV Vehicles
- ARU Robots
Manuals
- SCS125-PRODUCT_SPECIFICATION.pdf
- SCS125_Product_structure_diagram.pdf
- SC-0090-C001Serial_Communication_Specification.pdf
Details



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