MELFA RH-20CRH SCARA Robot
High-payload performance. Simplified integration. Built for modern automation.
The MELFA RH-20CRH is a high-performance SCARA robot designed for manufacturers that need speed, strength and simplicity in demanding automation environments. With a 20 kg payload, 1,000 mm reach and a streamlined, lightweight design, the RH-20CRH delivers reliable, high-speed operation while reducing installation effort, maintenance and total cost of ownership.
Purpose-built for applications such as handling, packaging, assembly and precision conveyance, the RH-20CRH is well-suited for industries facing labor shortages and increasing production demands. Its compact footprint allows it to integrate easily into space-constrained cells without sacrificing performance.
Key features and benefits
Control it your way
The RH-20CRH supports popular industrial communication protocols, enabling seamless integration into existing automation architectures and multi-vendor environments:
- Ethernet/IP
- PROFINET
- Modbus
- EtherCAT
- And more
This flexibility makes it easier to standardize control strategies across machines and production lines.
Easy to use and easy to integrate
Designed to simplify installation and daily operation, the RH-20CRH features:
- Integrated wiring and pneumatic piping within the robot arm to reduce external cabling and setup time
- 32 inputs / 32 outputs of built-in digital I/O, minimizing the need for additional hardware
- Batteryless motor design, eliminating periodic battery replacement and preventing loss of positional origin after power-off or extended downtime
Together, these features help reduce maintenance, improve uptime and simplify long-term operation.
No job is too difficult
Built for speed and strength, the RH-20CRH handles heavier workloads without compromising cycle time:
- 20 kg maximum payload
- 1,000 mm maximum reach
- 0.37-second cycle time
The robot’s rigid yet lightweight mechanical design contributes to precise, stable motion even during high-speed operation.
Industry-leading warranty protection
- The RH-20CRH is backed by Mitsubishi Electric’s commitment to long-term reliability:
- 3-year standard warranty out of the box
- 5-year warranty available with the Robot Diamond Assurance plan
This extended coverage helps protect your investment and reduce risk over the robot’s lifecycle.




