FANUC CRX-5iA vs DOBOT CR3A: Small Cobot Comparison
The FANUC CRX-5iA and the DOBOT CR3A sit at different sizes. The CRX-5iA carries 5 kg over 994 mm and is rated IP67. The CR3A carries 3 kg over 620 mm, weighs 16.5 kg, publishes ±0.02 mm and is listed about 62% lower.
Quick verdict. The DOBOT CR3A is the better value for light benchtop assembly, testing and lab work, with a listed price $26,800 lower. The FANUC CRX-5iA is the better choice for 5 kg loads, a larger envelope and wet or dusty cells.
CRX-5iA and CR3A at a glance
The FANUC CRX-5iA carries 5 kg over 994 mm, repeats to ±0.03 mm, weighs 25 kg, is rated IP67 and runs on the R-30iB Mini Plus controller. FANUC lists 1000 mm/s in collaborative mode and 2000 mm/s in high-speed mode.
The DOBOT CR3A carries 3 kg over a 620 mm working radius, repeats to ±0.02 mm, weighs 16.5 kg and lists a 3 m/s maximum linear speed. DOBOT names IP54 protection for the CRA series.
Main specification comparison
Specification | FANUC CRX-5iA | DOBOT CR3A |
Brand | FANUC | DOBOT |
Listed price | $43,200 | $16,400 |
Payload | 5 kg | 3 kg |
Reach | 994 mm | 620 mm |
Repeatability | ±0.03 mm | ±0.02 mm |
Axes | 6 | 6 |
Speed | 1000 mm/s (collaborative mode); 2000 mm/s (high-speed mode) | 3 m/s max. linear speed |
Arm weight | 25 kg | 16.5 kg |
IP rating | IP67 | IP54 |
Controller | R-30iB Mini Plus | Not specified |
Price comparison
FANUC CRX-5iA: listed from $43,200
DOBOT CR3A: listed from $16,400
Difference: $26,800
The CR3A costs roughly 62% less
Payload and reach
The CRX-5iA carries 5 kg, 2 kg more, over 994 mm, about 374 mm beyond the 620 mm of the CR3A. That covers a CNC door and a parts tray from one position. The CR3A suits benchtop cells where parts and fixtures sit within arm's length.
Precision, weight and protection
DOBOT publishes ±0.02 mm for the CR3A against ±0.03 mm for the CRX-5iA. At 16.5 kg the CR3A is easy to move between benches; the CRX-5iA weighs 25 kg. FANUC rates the CRX-5iA IP67; DOBOT names IP54 for the CRA series.
Programming and controllers
The CRX-5iA uses drag-and-drop tablet programming and hand guiding on the R-30iB Mini Plus. The CR3A uses DOBOT's graphical software and hand guiding, which suits labs, education and quick benchtop setups.
Best applications for the CRX-5iA
Small machine tending
Wet or dusty cells
FANUC-standard plants
Best applications for the DOBOT CR3A
Benchtop assembly
Testing and inspection
Labs and education
CRX-5iA advantages
5 kg payload
994 mm reach
IP67 protection
CRX-5iA limitations
About $26,800 higher listed price
DOBOT CR3A advantages
About 62% lower listed price
±0.02 mm repeatability
16.5 kg arm
DOBOT CR3A limitations
3 kg payload
620 mm working radius
Final verdict
Choose the DOBOT CR3A for light benchtop work. Choose the FANUC CRX-5iA for 5 kg loads and a larger envelope.
Sources and further reading
Frequently asked questions
Which is cheaper, the FANUC CRX-5iA or the DOBOT CR3A?
The CR3A is listed from $16,400 and the CRX-5iA from $43,200, a difference of $26,800.
Which cobot carries more?
The CRX-5iA carries 5 kg; the CR3A 3 kg.
Which cobot has the longer reach?
The CRX-5iA reaches 994 mm; the CR3A 620 mm.
Which cobot is more precise?
The CR3A publishes ±0.02 mm and the CRX-5iA ±0.03 mm.
How heavy are they?
The CRX-5iA weighs 25 kg; the CR3A 16.5 kg.
Which cobot should I buy?
Choose the CR3A for benchtop work. Choose the CRX-5iA for 5 kg loads.
