The Mitsubishi Electric MELFA RH Series is a range of horizontal articulated (SCARA) robots covering 3–20 kg maximum payload and 350–1000 mm reach, in the RH-FRH, RH-3FRHR ceiling-mount and RH-CRH lines.

What is the MELFA RH Series?

• Horizontal articulated (SCARA) robots for high-speed assembly and part transfer on horizontal layouts.
• Floor-mount RH-FRH and RH-CRH models, plus the ceiling-mount RH-3FRHR for compact layouts.
• XY repeatability from ±0.010 mm (RH-3FRH and RH-6FRH, 350/450 mm reach); values differ by model.

What do the -R, -Q and -D suffixes mean?

• -R: CR800-R controller, linking with MELSEC iQ-R series PLCs on the iQ Platform.
• -Q: CR800-Q controller, a dedicated controller for MELSEC Q series PLCs.
• -D: CR800-D controller, a standalone controller.
• RH-CRH models use standalone controllers: CR800-CHD (RH-3CRH, RH-6CRH) and CR800-C2HD (RH-10CRH, RH-20CRH).

Which environments, networks and software are supported?

• RH-FRH: standard IP20, with oil mist (IP65, RH-6/12/20FRH) and cleanroom (ISO class 3) specifications.
• RH-3FRHR: standard IP20, cleanroom (ISO class 5) and waterproof (IP65) specifications.
• RH-CRH: standard IP20 specification.
• RH-FRH and RH-3FRHR: EtherNet/IP and CC-Link IE Field via an optional network card.
• RH-CRH: CC-Link IE Field Basic as standard; batteryless motors on RH-10CRH and RH-20CRH.
• Optional MELFA Smart Plus on RH-FRH, RH-3CRH and RH-6CRH.
• Programming, simulation and maintenance with MELSOFT RT ToolBox3.

Which MELFA RH Series models are available?

• RH-FRH, CR800-R/Q/D: RH-3FRH (3 kg, 350–550 mm), RH-6FRH (6 kg, 350–550 mm), RH-12FRH (12 kg, 550–850 mm), RH-20FRH (20 kg, 850–1000 mm)
• RH-FRHR ceiling mount, CR800-R/Q/D: RH-3FRHR (3 kg, 350 mm)
• RH-CRH, CR800-CHD: RH-3CRH (3 kg, 400 mm), RH-6CRH (6 kg, 600–700 mm)
• RH-CRH, CR800-C2HD: RH-10CRH (10 kg, 600–800 mm), RH-20CRH (20 kg, 850–1000 mm)

Related products

• MELFA RV Series
• MELFA ASSISTA
• MELSEC iQ-R Series
• MELSEC Q Series
• GOT2000 Series

Why choose TKK for Mitsubishi Electric products?

TKK helps factory teams source, select and support Mitsubishi Electric products with confidence, from the first quotation to long after installation.

• Official Mitsubishi Electric distributor, supplying genuine products through an authorized channel.
• Competitive, value-focused pricing for single units and project quantities.
• Extensive stock ready for prompt delivery, so you can keep your lines running.
• A team of product specialists ready to advise on model selection, application and replacement.
• Dedicated, responsive after-sales service and technical support.

Contact TKK for model selection or a quotation for your machine.