DOBOT CRA3 Overview
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.
Key Specifications
Specification | DOBOT CRA3 |
Manufacturer | DOBOT |
Model | CRA3 |
Category | Robot arm / Collaborative robot |
Payload | 3 kg |
Reach | 620 mm |
Repeatability | ±0.02 mm |
Speed | 3 m/s max. linear speed |
Axes (DoF) | 6 |
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 |
Price | From USD 16,400 |
Prices are indicative, are not final and may change.
Applications
Machine tending
Palletizing
Screwdriving
Welding
Lab automation
Education
Industries
Electronics · Metalworking · Education · Medical devices · General manufacturing
Technical Details
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
DOBOT CRA3 Review Summary
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.
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 It Is For
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.
Full review: DOBOT CR3A Review: Specs, Price and Applications of the 3 kg Cobot






























