Mitsubishi Electric RH-3FRH Overview
The Mitsubishi Electric MELFA RH-3FRH is a 4-axis SCARA robot with a 3 kg maximum payload, arm lengths of 350, 450 or 550 mm and X-Y repeatability of ±0.010 to ±0.012 mm. It is built for precise, fast assembly and handling of small parts, with cycle times of 0.41 to 0.51 s. The standard arm is rated IP20, and an ISO class 3 cleanroom version is available. The arm weighs 29 to 32 kg, mounts on the floor and runs on the CR800-D, CR800-R or CR800-Q controller.
Key Specifications
Specification | Mitsubishi Electric RH-3FRH |
Manufacturer | Mitsubishi Electric |
Model | RH-3FRH |
Category | Robot arm / SCARA robot |
Payload | 3 kg |
Reach | 350 / 450 / 550 mm |
Repeatability | ±0.010 to ±0.012 mm (X-Y) |
Speed | Cycle time 0.41 to 0.51 s; max. composite speed 6,800 to 8,300 mm/s |
Axes (DoF) | 4 |
Controller | Mitsubishi CR800-D, CR800-R or CR800-Q |
Interfaces | Ethernet 10BASE-T/100BASE-TX/1000BASE-T; USB; RS-422; SSCNET III/H; encoder input; CC-Link; CC-Link IE; PROFINET; EtherNet/IP; EtherCAT; PROFIBUS; DeviceNet; 8 hand inputs; 8 hand outputs |
Price | From USD 18,500 |
Prices are indicative, are not final and may change.
Applications
Assembly
Electronics handling
Machine tending
Packaging
Inspection
Industries
Electronics · Automotive · Food · Pharmaceuticals · General manufacturing
Technical Details
4 axes
Max. payload 3 kg (rated 1 kg)
Arm length 350, 450 or 550 mm
Z stroke 150 mm
Repeatability X-Y ±0.010 to ±0.012 mm, Z ±0.01 mm
Cycle time 0.41 to 0.51 s
Max. composite speed 6,800 to 8,300 mm/s
Mass 29 to 32 kg
Mounting floor
Protection IP20 (ISO class 3 cleanroom version)
Controller CR800-D, CR800-R or CR800-Q
Mitsubishi Electric RH-3FRH Review Summary
The Mitsubishi Electric MELFA RH-3FRH is a 4-axis SCARA robot with a 3 kg maximum payload, arm lengths of 350, 450 or 550 mm and X-Y repeatability of ±0.010 to ±0.012 mm. It is built for precise, fast assembly and handling of small parts, with cycle times of 0.41 to 0.51 s. The standard arm is rated IP20, and an ISO class 3 cleanroom version is available. The arm weighs 29 to 32 kg, mounts on the floor and runs on the CR800-D, CR800-R or CR800-Q controller. It is listed from USD 18,500.
Pros
3 kg maximum payload with a 350 / 450 / 550 mm arm length
±0.010 to ±0.012 mm (X-Y) repeatability
Speed: Cycle time 0.41 to 0.51 s; max. composite speed 6,800 to 8,300 mm/s
Wide choice of industrial fieldbus interfaces
Cons
4 axes limit tool orientation compared with a 6-axis arm
Needs safety fencing or equivalent safeguarding
The 3 kg maximum payload includes the end effector
End effectors, safety equipment and integration are quoted separately
Who It Is For
The Mitsubishi Electric RH-3FRH fits electronics and small-parts manufacturers that need fast point-to-point motion.
Full review: Mitsubishi Electric RH-3FRH Review: Specs, Price and Applications of the 3 kg SCARA Robot


























