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The MELFA FR series from Mitsubishi Electric robots with rigid arms and servo controls of the latest technology, safe and collaborative work applications, intelligent functions for the next generation, offer high precision and speed. allowing teamwork between operator and robot with a high level of security. Ideal for a wide variety of applications where large volumes need to be handled.

The RH-20FRH85 Series this model has one of the fastest movement in its class, offers a high resistance, fast and accurate operation. With a maximum load capacity of 20 kg and arm reach of 850 mm, standard cycle time 0.30s. With AC servo drive system, Thanks to the optimization of the wrist axis it is possible to have a high margin to handle multifunction clamps and displacement clamps. Ideal for assembly and palletizing work.

Equipped with CR800-D or CR800-R controllers.

This controller has an open structure where you can place vertical and horizontal positions, multiple CPU configuration that optimizes communication with the equipment supplying specific information, is compatible with MELSEC iQ-R.

Robot general specifications

  • Maximum Load of Robot: 20 Kg
  • Maximum Reach: 850 mm
  • Controller: CR800-D, CR800-R


  • Y-X composite: ± 0.015
  • J3(Z): ± 0.01
  • J4:± 0.005

Robot Motion Speed

  • Axis 1: 280°/s
  • Axis 2: 450°/s
  • Axis 3(Z): 2400 mm
  • Axis 4: 1700°/s

Motion range 

  • Axis 1: 340(-170 to +170)°
  • Axis 2: 306(-153 to +153)°
  • Axis 3(Z): xx=35:350/ xx=45:450 mm
  • Axis 4: 720(-360 to +360)°


  • Assembly
  • Palletizing
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