Flexiv Rizon 4 Review: Specs, Price and Applications of the 4 kg Collaborative Robot
Updated: 2 days ago

The Flexiv Rizon 4 is a 7-axis collaborative robot with a maximum payload of 4 kg, a reach of 876 mm and ±0.05 mm repeatability, listed from USD 32,000. 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 Flexiv Rizon 4 is a 7-axis adaptive collaborative robot with a 4 kg payload and a reach of 876 mm. Pose repeatability is ±0.05 mm and the typical TCP linear speed is 1.0 m/s. Force sensing with an accuracy of 0.1 N and a maximum TCP force of 200 N allow the arm to carry out force-controlled tasks. The 20 kg arm is rated IP65 and can be installed in any position. It is listed from USD 32,000.
Flexiv Rizon 4 at a Glance
Maximum payload: 4 kg
Reach: 876 mm
Axes: 7
Repeatability: ±0.05 mm
Speed: 1.0 m/s typical TCP linear speed
Weight: : 20 kg. Protection rating: IP65. Force sensing accuracy: 0.1 N. Maximum TCP force: 200 N. Mounting flange: ISO 9409-1-50-4-M6. Installation position: any. Noise: <70 dB. Operating temperature: 0 to 45 °C. Controller power consumption: 500 W
Controller: Flexiv Hesper robot controller (12 kg, 423 × 230 × 230 mm, IP20, 500 W)
Price: from USD 32,000
Flexiv Rizon 4 Technical Specifications
The table below lists the published specifications of the Flexiv Rizon 4.
Specification | Flexiv Rizon 4 |
Manufacturer | Flexiv |
Model | Rizon 4 |
Robot type | 7-axis collaborative robot |
Maximum payload | 4 kg |
Reach | 876 mm |
Axes | 7 |
Repeatability | ±0.05 mm |
Speed | 1.0 m/s typical TCP linear speed |
Controller | Flexiv Hesper robot controller (12 kg, 423 × 230 × 230 mm, IP20, 500 W) |
Interfaces | Profinet, Modbus TCP/IP, 16 digital inputs, 16 digital outputs |
Certifications | CE, ETL |
Starting price | From USD 32,000 |
Detailed Technical Data
Weight: 20 kg. Protection rating: IP65. Force sensing accuracy: 0.1 N. Maximum TCP force: 200 N. Mounting flange: ISO 9409-1-50-4-M6. Installation position: any. Noise: <70 dB. Operating temperature: 0 to 45 °C. Controller power consumption: 500 W
Design and Build Quality

The Rizon 4 is a 7-axis collaborative robot made by Flexiv. Published build data: Weight: 20 kg. Protection rating: IP65. Force sensing accuracy: 0.1 N. Maximum TCP force: 200 N. Mounting flange: ISO 9409-1-50-4-M6. Installation position: any. Noise: <70 dB. Operating temperature: 0 to 45 °C. Controller power consumption: 500 W.
Programming and Software
Controller and Software
Published controller for the Rizon 4: Flexiv Hesper robot controller (12 kg, 423 × 230 × 230 mm, IP20, 500 W). Programming interfaces, software licences and simulation tools vary by package, so confirm what is included before ordering.
Industrial Communication
Published interfaces are Profinet, Modbus TCP/IP, 16 digital inputs, 16 digital outputs.
Flexiv Rizon 4 Applications and Use Cases
Typical applications for the Rizon 4 are force-controlled assembly, polishing, sanding, insertion, mobile manipulation and inspection.
Force-controlled assembly

The Rizon 4 is used for force-controlled assembly within its 4 kg payload and 876 mm reach.
Polishing
The Rizon 4 is used for polishing within its 4 kg payload and 876 mm reach.
Sanding
The Rizon 4 is used for sanding within its 4 kg payload and 876 mm reach.
Flexiv Rizon 4 Price and Value
The Flexiv Rizon 4 is listed from USD 32,000 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
4 kg maximum payload with a 876 mm reach
±0.05 mm repeatability
Speed: 1.0 m/s typical TCP linear speed
Collaborative design for work near people, subject to a risk assessment
Seventh axis adds flexibility in tight cells
Cons
The 4 kg maximum payload includes the end effector
End effectors, safety equipment and integration are quoted separately
Who Should Buy the Flexiv Rizon 4?
The Flexiv Rizon 4 fits manufacturers that want a robot working near people without full fencing, subject to a risk assessment.
See the full Flexiv Rizon 4 product listing on All Things Cobots.
Flexiv Rizon 4 FAQ
How much does the Flexiv Rizon 4 cost?
The Flexiv Rizon 4 is listed from USD 32,000 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 reach of the Flexiv Rizon 4?
The Rizon 4 has a maximum payload of 4 kg and a reach of 876 mm.
How accurate is the Flexiv Rizon 4?
Its published repeatability is ±0.05 mm.
How many axes does the Flexiv Rizon 4 have?
The Rizon 4 has 7 axes.
How is the Flexiv Rizon 4 programmed?
Programming is done with Flexiv's own software. Confirm the included interfaces and SDKs with the supplier.
Which controller does the Flexiv Rizon 4 use?
Published controller: Flexiv Hesper robot controller (12 kg, 423 × 230 × 230 mm, IP20, 500 W).
How much does the Flexiv Rizon 4 weigh?
Published weight: 20 kg. Protection rating: IP65. Force sensing accuracy: 0.1 N. Maximum TCP force: 200 N. Mounting flange: ISO 9409-1-50-4-M6. Installation position: any. Noise: <70 dB. Operating temperature: 0 to 45 °C. Controller power consumption: 500 W.
Is the Flexiv Rizon 4 a collaborative robot?
Yes. The Rizon 4 is a collaborative robot. Every collaborative application still needs its own risk assessment.
What is the Flexiv Rizon 4 used for?
Typical applications are force-controlled assembly, polishing, sanding, insertion, mobile manipulation and inspection.
Specifications and prices are based on manufacturer and distributor information. Prices are indicative, are not final and may change.





