The STS3250 is a 12V, 50kg serial bus smart servo.
It features an aluminum alloy case, a coreless motor, a metal gearbox, and a TTL control board independently developed by Feetech.
It utilizes a 12-bit high-precision magnetic encoder. With a stall torque of 50kg.cm, it achieves controllable positioning at any angle between 0 and 360 degrees and supports multi-turn continuous operation mode.
Key functions include one-click midpoint setting, acceleration with soft start and stop, and feedback for position, speed, voltage, current, temperature, and load parameters. This enables overload and over-current protection. The servo is suitable for applications in industrial equipment, robotics, and small torque drive scenarios.

Product Details

Model：ST-3250-C001
Product Name：12V 50KG Magnetic Encoder Double Shaft TTL Servo
Storage Temperature Range：-30℃～80℃
Operating Temperature Range：-20℃～60℃
Size：A：45.22mm B：24.72mm C：35mm
Weight：74.5± 1g
Gear type：steel Gear
Limit angle：NO limit
Bearing：Ball bearings
Horn gear spline：25T/OD5.9mm
The rocker phantom：0°
Case：Aluminium
Connector wire：15CM
Motor：Coreless Motor
Operating Voltage Range：6-12V
No load speed：0.133sec/60°@12V
Runnig current(at no load)：280mA@12V
Peak stall torque：50kg.cm@12V
Rated torque：16kg.cm@12V
Stall current：4.2A@12V
Command signal：Digital Packet
Protocol Type：Half Duplex Asynchronous Serial Communication
ID range：0-253
Communication Speed：38400bps ~ 1 Mbps
Running degree：360° (when 0~4096)
Neutral Position：180°（2048）
Feedback: Load, Position, Speed, Input Voltage,Temperature

Package include:
1 x servo