Orders Over $200 = Free Ground Shipping
Under $200 = Basic Shipping Starts at $3.99
Mailing List
Home > Robot Parts > DYNAMIXEL & Robot Servos > Robotis DYNAMIXEL Pro Robot Servos >

H42-20-S DYNAMIXEL PRO Robot Actuator

Price: CALL
Availibility: Call to Order
Item #: H42-20-S300-R

Please call 1-877-898-1005 for pricing and delivery information.

The DYNAMIXEL PRO line of Robot Actuators is ROBOTIS's new solution for full-scale robots. These new actuators have incredibly high power and precision, making them ideal for for everything from advanced robotics to industry applications. Using ROBOTIS's frame system for the DYNAMIXEL PRO, you'll be able to rapidly create a variety of different systems and products. These new servos sport position, speed, AND torque based commands.

The H42-20-S300-R uses a RS-485 communication protocol, a 300:1 Gear Ratio, a Straight Angle gear type, and has 20W output. Variant options will be available in the future.

There is a 8-10 week lead time for DYNAMIXEL Pro Robot Actuators. Please call us for pricing and delivery information.


  • Electrical current sensing based control
  • Internal temperature sensing
  • Position-based command
  • Torque-based command
  • Speed-based command
  • Cycloid type detachable reduction gear (Straight, Right Angle, Belt)
  • Various communication physical layer (RS-485, CAN, TTL, Ethercat)
  • Various optional frames


Dynamixel Robot Actuator H42-20-S
Rated Voltage 24 V
No Load Speed 28.3 RPM
No Load Current 0.61 A
Continuous Operation Speed 15.59 RPM
Continuous Operation Torque 5.596 Nm/57kg-cm
Continuous Operation Current 1.989 A
Maximum Output Power 23.64 W
Resolution 304,000 Steps/Turn
Gear Ratio 304
Backlash 3.5 arcmin
Interface RS484/CAN/TTL/Ethercat
Operating Temperature 5-55 ℃
Dimensions 42 x 42 x 84mm
Loading the player...

robotics shop robots robotics company robot shop

Shopping Cart Software by AmeriCommerce.