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Sales Volume: 19

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The AX-12A servo is the most advanced actuator on the market in this price range. It is a new version of the AX-12+ with the same performance but more advanced external design. It is 100% compatible with AX-12+ at 1:1 scale, with the same control method. The horn and nuts have been fixed inside the horn to strengthen assembly.

The AX-12A robot servo has the ability to track its speed, temperature, shaft position, voltage, and load. At the same time, the control algorithm used to maintain shaft position on the ax-12 actuator can be adjusted individually for each servo, allowing you to control the speed and strength of the motor's response. All of the sensor management and position control is handled by the servo's built-in micro-controller. This distributed approach leaves your main controller free to perform other functions.


  • Minimum Control Angle: 0.29° x 1,024
  • Gear Ratio: 254:1
  • Holding Torque: 15kgf.cm (at 12V, 1.5A)
  • No Load Speed: 59 RPM 12V
  • Motor: Cored Motor
  • Operating Temperature: -5C — +70C
  • Operating Voltage: 9V~12V (Recommended Voltage 11.1V)
  • Maximum Currents: 900mA
  • Standby Currents: 50mA
  • Command Signal: Digital Packet
  • Protocol Type: Half duplex Asynchronous Serial Communication (8bit, 1stop, No Parity)
  • Link (Physical): TTL Level Multi Drop (Daisy Chain Type Connector)
  • ID: 254 ID (0~253)
  • Communication Speed: 7843bps — 1 Mbps
  • Feedback: Position, Temperature, Load, Input Voltage, etc
  • Material: Engineering Plastic
  • Position Sensor: Potential meter
  • Dimension: 32mm x 50.1mm x 40mm
  • Weight: 57g