QDD A2 Actuator

Next-generation quasi-direct drive actuator delivering 12 Nm peak torque with exceptional backdrivability and force control. Ideal for small-size quadruped robots, collaborative robot arms, and small-size industrial robots.

QDD A2 Actuator

QDD A2 Quasi-Direct Drive Actuator - 12 Nm Peak Torque

Overview

The QDD A2 is xTerra's next-generation of QDD actuators, optimized for maximum torque in its weight category. Achieving high-efficiency and exceptional output torque, the A2 provides exceptional performance for collaborative and dynamic robotic systems. With 12 Nm peak torque in a 550g package, this actuator delivers outstanding torque density.

Best For: Small-size quadruped robots, small-size industrial robots, collaborative robot arms, mobile manipulators, research platforms, educational robotics.

Key Specifications

ParameterValue
Weight550 grams
Peak Torque12 Nm
Voltage Input10-24V DC
Peak Power500W
Control ModeFOC (Field-Oriented Control)
Control Rate15-30 kHz
Outer Diameter77 mm
Thickness50 mm
Power Connector2x XT-30
Data Connector2x JST PH-3
Torque Improvement over A13.17x (217% increase)