DOBOT CR3A Review: Specs, Price and Applications of the 3 kg Cobot
Updated: 2 days ago
The DOBOT CR3A is a 6-axis collaborative robot with a payload of 3 kg, a working radius of 620 mm and ±0.02 mm repeatability, listed from USD 16,400. 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 DOBOT CR3A is a 6-axis collaborative robot with a 3 kg payload, a 620 mm working radius and ±0.02 mm repeatability. Its compact size suits light assembly, screwdriving and inspection tasks in confined workstations. The arm weighs 16.5 kg, can be mounted at any angle, is rated IP54 and reaches a maximum linear speed of 3 m/s. Its safety functions comply with ISO 13849-1, ISO 10218-1 and ISO/TS 15066, with a stand-alone safety controller rated PL d, Category 3. It is listed from USD 16,400.
DOBOT CR3A at a Glance
Payload: 3 kg
Working radius: 620 mm
Axes: 6
Repeatability: ±0.02 mm
Speed: 3 m/s max. linear speed
Weight: 16.5 kg
Price: from USD 16,400
DOBOT CR3A Technical Specifications
The table below lists the published specifications of the DOBOT CR3A.
Specification | DOBOT CR3A |
Manufacturer | DOBOT |
Model | CR3A (also listed as CRA3) |
Robot type | 6-axis collaborative robot |
Payload | 3 kg |
Working radius | 620 mm |
Axes | 6 |
Repeatability | ±0.02 mm |
Speed | 3 m/s max. linear speed |
Interfaces | TCP/IP, Modbus TCP, Modbus RTU, EtherNet/IP, PROFINET, RS485, 2 Ethernet ports, 2 USB ports, ABZ encoder input, 24 digital inputs, 24 digital outputs, 2 analog inputs, 2 analog outputs, 10 safety I/O channels |
Certifications | ISO 13849-1 (PL d, Category 3), ISO 10218-1, ISO/TS 15066 |
Starting price | From USD 16,400 |
Detailed Technical Data
6 axes
Max. payload 3 kg
Working radius 620 mm
Repeatability ±0.02 mm
Weight 16.5 kg
Max. linear speed 3 m/s
IP54
Mounting any angle
Design and Build Quality
The CRA series is DOBOT's current generation of collaborative robots, with higher arm speeds and a wider set of industrial interfaces than the earlier CR series. Published build data for the CR3A: weight 16.5 kg; IP54; mounting any angle.
Programming and Software
DobotStudio Pro
The CR3A is programmed in DobotStudio Pro, which offers graphical block programming for beginners and script programming for advanced users. Positions can also be taught by guiding the arm by hand.
Industrial Communication
Published interfaces are TCP/IP, Modbus TCP, Modbus RTU, EtherNet/IP, PROFINET, RS485, 2 Ethernet ports, 2 USB ports, ABZ encoder input, 24 digital inputs, 24 digital outputs, 2 analog inputs, 2 analog outputs and 10 safety I/O channels.
DOBOT CR3A Applications and Use Cases
Typical applications for the CR3A are machine tending, palletizing, screwdriving, welding, lab automation and education.
Light Assembly and Screwdriving
With ±0.02 mm repeatability and a 3 kg payload, the CR3A fits and fastens small components in compact workstations.
Inspection and Testing
The arm carries cameras and probes or presents parts to test fixtures next to operators.
Pick and Place
The 620 mm working radius covers trays, feeders and conveyors at a single station.
DOBOT CR3A Price and Value
The DOBOT CR3A is listed from USD 16,400 on All Things Cobots. End effectors, safety equipment and integration affect the final price and are quoted separately. Prices are indicative, are not final and may change.
DOBOT CR3A vs FAIRINO FR3
The closest FAIRINO model by payload is the FR3.
DOBOT CR3A | FAIRINO FR3 | |
Payload | 3 kg | 3 kg |
Working radius / reach | 620 mm | 622 mm |
Repeatability | ±0.02 mm | ±0.02 mm |
Starting price | From USD 16,400 | From USD 6,799 |
Pros and Cons
Pros
3 kg payload with a 620 mm working radius
±0.02 mm repeatability
3 m/s max. linear speed
Any angle mounting
24 digital inputs and outputs with 10 safety I/O channels on the controller
Cons
The 3 kg payload includes the gripper and tooling
End effectors, safety equipment and integration are quoted separately
Starting price is above the FAIRINO FR3 (from USD 6,799)
Who Should Buy the DOBOT CR3A?
The DOBOT CR3A fits electronics, laboratory and light assembly users that need a compact collaborative arm. Buyers focused on price should also compare it with the FAIRINO FR3.
See the full DOBOT CR3A product listing on All Things Cobots.
DOBOT CR3A FAQ
How much does the DOBOT CR3A cost?
The DOBOT CR3A is listed from USD 16,400 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 working radius of the DOBOT CR3A?
The CR3A has a payload of 3 kg and a working radius of 620 mm.
How accurate is the DOBOT CR3A?
Its published repeatability is ±0.02 mm.
How many axes does the DOBOT CR3A have?
The CR3A has 6 axes.
How is the DOBOT CR3A programmed?
It is programmed in DobotStudio Pro with graphical block programming or scripts, and positions can be taught by hand guiding.
How much does the DOBOT CR3A weigh?
Published weight 16.5 kg.
What is the IP rating of the DOBOT CR3A?
Published protection: IP54.
Is the DOBOT CR3A the same as the DOBOT CRA3?
Yes. The CR3A belongs to DOBOT's CRA series and is also listed as the CRA3.
What is the DOBOT CR3A used for?
Typical applications are machine tending, palletizing, screwdriving, welding, lab automation and education.
Specifications and prices are based on manufacturer and distributor information. Prices are indicative, are not final and may change.
