Reference: RBD-2941
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The Fashion Star RA8-U25 25kg.cm Bus Servo Motor is a high-performance intelligent servo that combines a DC motor, reduction gearbox, drive control, sensor system, and communication protocol in one compact and durable package. Designed for robotics, automation, robotic arms, scientific research, and medical equipment, it provides smooth, precise motion control with advanced protection features and two-way communication.
Only 1 pcs
The Fashion Star RA8-U25 25kg.cm Bus Servo Motor is a high-performance intelligent servo that combines a DC motor, reduction gearbox, drive control, sensor system, and communication protocol in one compact and durable package. Designed for robotics, automation, robotic arms, scientific research, and medical equipment, it provides smooth, precise motion control with advanced protection features and two-way communication.
Supporting UART/TTL communication with customizable baud rates, this servo enables precise feedback of voltage, current, angle, temperature, and power, making it easy to monitor and control in real time. With all-metal gears, a non-contact absolute magnetic encoder, and a 32-bit MCU, the RA8-U25 is built for reliability, efficiency, and long service life.
Whether used for robotic joints, automation systems, or experimental platforms, the RA8-U25 offers powerful torque, high-resolution positioning, and versatile working modes—ensuring robust and flexible performance for demanding applications.
High-torque 25kg.cm (2.45N·m) bus servo motor
Integrated 32-bit MCU with UART/TTL communication
12-bit non-contact magnetic encoder for high-precision control
Supports Angle, Wheel, and Damping modes
Advanced protection system: voltage, stall, temperature, and power
Real-time feedback of voltage, current, temperature, angle, and power
Wide operating voltage range 6.0–8.4V (9.0–12.6V)
All-metal gears (copper + aluminum), 273:1 gear ratio
Lightweight and compact aluminum alloy housing
Operating Voltage: 6.0–8.4V (9.0–12.6V)
Motor Type: Iron core
Stall Torque: 25kg.cm (2.45N·m)
No-load Speed: 72rpm (0.150s/60°)
Encoder: 12-bit absolute magnetic encoder (2048 steps/360°)
Operating Temperature: -10°C to 60°C
Current Consumption: Stall 3A / No-load 200mA / Standby 20mA
Effective Angle: 360°
Communication Protocol: UART/TTL
Baud Rate: 9600–500Kbps
ID Range: 0–254
Gear Ratio: 273:1
Output Gear: Copper, Ø6mm, 25T
Material: Aluminum alloy + engineering plastic
Interface Type: PH2.0
Dimensions: 40 × 40 × 20mm
Weight: 63g
Robotic arms and humanoid robots
Automation systems
Medical devices and assistive robotics
Scientific research projects
Hobbyist robotics and competition robots
1 × Fashion Star RA8-U25 25kg.cm Bus Servo Motor
Full documentation and resources available here:
https://fashionrobo.com/actuator-u25/23396/
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The Fashion Star RA8-U25 25kg.cm Bus Servo Motor is a high-performance intelligent servo that combines a DC motor, reduction gearbox, drive control, sensor system, and communication protocol in one compact and durable package. Designed for robotics, automation, robotic arms, scientific research, and medical equipment, it provides smooth, precise motion control with advanced protection features and two-way communication.
Only 1 pcs
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