Mitsubishi Electric RH-20CRH Review: Specs, Price and Applications of the 20 kg SCARA Robot
Updated: 2 days ago
The Mitsubishi Electric RH-20CRH is a 4-axis SCARA robot with a maximum payload of 20 kg, an arm length of 850 / 1000 mm and ±0.025 mm (X-Y) repeatability, listed from USD 27,000. This review covers its full specifications, design, programming options, applications and price, so you can decide whether it fits your automation project.
Quick Verdict
The Mitsubishi Electric MELFA RH-20CRH is a 4-axis SCARA robot with a 20 kg maximum payload, arm lengths of 850 or 1000 mm and X-Y repeatability of ±0.025 mm. It is the largest arm in the compact RH-CRH series and handles heavy parts in pick-and-place, packaging and transfer tasks at composite speeds of 10,530 to 11,510 mm/s. Its motors are batteryless. The arm weighs 54 to 57 kg, mounts on the floor and runs on the CR800-C2HD controller. It is listed from USD 27,000.
Mitsubishi Electric RH-20CRH at a Glance
Maximum payload: 20 kg
Arm length: 850 / 1000 mm
Axes: 4
Repeatability: ±0.025 mm (X-Y)
Speed: Max. composite speed 10,530 to 11,510 mm/s
Weight: 54 to 57 kg
Controller: CR800-C2HD
Price: from USD 27,000
Mitsubishi Electric RH-20CRH Technical Specifications
The table below lists the published specifications of the Mitsubishi Electric RH-20CRH.
Specification | Mitsubishi Electric RH-20CRH |
Manufacturer | Mitsubishi Electric |
Model | RH-20CRH |
Robot type | 4-axis SCARA robot |
Maximum payload | 20 kg |
Arm length | 850 / 1000 mm |
Axes | 4 |
Repeatability | ±0.025 mm (X-Y) |
Speed | Max. composite speed 10,530 to 11,510 mm/s |
Controller | CR800-C2HD |
Interfaces | Ethernet, CC-Link, CC-Link IE, PROFINET, EtherNet/IP, EtherCAT, PROFIBUS, DeviceNet, 32 inputs, 32 outputs |
Starting price | From USD 27,000 |
Detailed Technical Data
4 axes
Max. payload 20 kg (rated 10 kg)
Arm length 850 or 1000 mm
Repeatability X-Y ±0.025 mm, Z ±0.01 mm
Max. composite speed 10,530 to 11,510 mm/s
Mass 54 to 57 kg
Mounting floor
Protection IP20
Controller CR800-C2HD
Design and Build Quality
The RH-20CRH belongs to the MELFA RH series. Published build data: mass 54 to 57 kg; mounting floor; protection IP20.
Programming and Software
MELFA BASIC and RT ToolBox3
The RH-20CRH runs on the CR800-C2HD controller and is programmed in MELFA BASIC using Mitsubishi Electric's RT ToolBox3 software, which also provides simulation.
Industrial Communication
Published interfaces are Ethernet, CC-Link, CC-Link IE, PROFINET, EtherNet/IP, EtherCAT, PROFIBUS, DeviceNet, 32 inputs and 32 outputs.
Mitsubishi Electric RH-20CRH Applications and Use Cases
Typical applications for the RH-20CRH are assembly, electronics handling, machine tending, packaging and inspection.
Assembly
Repeatability of ±0.025 mm (X-Y) supports fitting, inserting and fastening parts in assembly cells.
Electronics handling
The RH-20CRH is used for electronics handling within its 20 kg payload and 850 / 1000 mm arm length.
Machine tending
The RH-20CRH loads and unloads machine tools, presses and moulding machines within its 850 / 1000 mm arm length.
Mitsubishi Electric RH-20CRH Price and Value
The Mitsubishi Electric RH-20CRH is listed from USD 27,000 on All Things Cobots. The controller, end effectors, safety equipment and integration affect the final price and are quoted separately. Prices are indicative, are not final and may change.
Pros and Cons
Pros
20 kg maximum payload with a 850 / 1000 mm arm length
±0.025 mm (X-Y) repeatability
Speed: Max. composite speed 10,530 to 11,510 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 20 kg maximum payload includes the end effector
End effectors, safety equipment and integration are quoted separately
Who Should Buy the Mitsubishi Electric RH-20CRH?
The Mitsubishi Electric RH-20CRH fits electronics and small-parts manufacturers that need fast point-to-point motion.
See the full Mitsubishi Electric RH-20CRH product listing on All Things Cobots.
Mitsubishi Electric RH-20CRH FAQ
How much does the Mitsubishi Electric RH-20CRH cost?
The Mitsubishi Electric RH-20CRH is listed from USD 27,000 on All Things Cobots. The price is indicative and may change, and it does not include end effectors, safety equipment or integration.
What is the payload and arm length of the Mitsubishi Electric RH-20CRH?
The RH-20CRH has a maximum payload of 20 kg and an arm length of 850 / 1000 mm.
How accurate is the Mitsubishi Electric RH-20CRH?
Its published repeatability is ±0.025 mm (X-Y).
How many axes does the Mitsubishi Electric RH-20CRH have?
The RH-20CRH has 4 axes.
How is the Mitsubishi Electric RH-20CRH programmed?
It is programmed in MELFA BASIC using RT ToolBox3, which also provides simulation.
Which controller does the Mitsubishi Electric RH-20CRH use?
It runs on the CR800-C2HD controller.
How much does the Mitsubishi Electric RH-20CRH weigh?
Published mass 54 to 57 kg.
How can the Mitsubishi Electric RH-20CRH be mounted?
Published installation options: floor.
What is the Mitsubishi Electric RH-20CRH used for?
Typical applications are assembly, electronics handling, machine tending, packaging and inspection.
Specifications and prices are based on manufacturer and distributor information. Prices are indicative, are not final and may change.
