Epson LS3-B401 Review: Specs, Price and Applications of the 3 kg SCARA Robot
Updated: 2 days ago
The Epson LS3-B401 is a 4-axis SCARA robot with a maximum payload of 3 kg, an arm length of 400 mm and ±0.010 mm repeatability, listed from USD 8,000. 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 Epson LS3-B401 is a 4-axis SCARA robot with a 3 kg maximum payload, 400 mm arm length and ±0.010 mm repeatability. It is designed for high-precision small-parts assembly. The arm weighs 14 kg, mounts on a tabletop and runs on the Epson RC90-B controller. Its standard cycle time is 0.42 s. It is listed from USD 8,000.
Epson LS3-B401 at a Glance
Maximum payload: 3 kg
Arm length: 400 mm
Axes: 4
Repeatability: ±0.010 mm
Speed: 0.42 s standard cycle time
Weight: 14 kg
Controller: Epson RC90-B
Price: from USD 8,000
Epson LS3-B401 Technical Specifications
The table below lists the published specifications of the Epson LS3-B401.
Specification | Epson LS3-B401 |
Manufacturer | Epson Robots |
Model | LS3-B401 |
Robot type | 4-axis SCARA robot |
Maximum payload | 3 kg |
Arm length | 400 mm |
Axes | 4 |
Repeatability | ±0.010 mm |
Speed | 0.42 s standard cycle time |
Controller | Epson RC90-B |
Interfaces | Ethernet (10/100Base-T), USB, RS-232C, standard I/O: 24 inputs / 16 outputs, fieldbus: EtherNet/IP, DeviceNet, PROFIBUS, PROFINET, CC-Link, EtherCAT |
Certifications | CE, EN ISO 10218-1, EN ISO 13849-1, EN 60204-1, RoHS |
Starting price | From USD 8,000 |
Detailed Technical Data
4 axes
Max. payload 3 kg
Arm length 400 mm
Repeatability ±0.010 mm
Weight 14 kg
Mounting tabletop
Standard cycle time 0.42 s
Controller RC90-B
Design and Build Quality
The LS-B Series is Epson's value SCARA line and runs on the RC90-B controller. Published build data for the LS3-B401: weight 14 kg; mounting tabletop.
Programming and Software
Epson RC+ and SPEL+
The LS3-B401 runs on the Epson RC90-B controller and is programmed in the Epson RC+ development environment using the SPEL+ language.
Industrial Communication
Published interfaces are Ethernet (10/100Base-T), USB, RS-232C, standard I/O: 24 inputs / 16 outputs and fieldbus: EtherNet/IP, DeviceNet, PROFIBUS, PROFINET, CC-Link, EtherCAT.
Epson LS3-B401 Applications and Use Cases
Typical applications for the LS3-B401 are small parts assembly, electronics handling, medical device assembly, testing, packaging and dispensing.
Small-Parts Assembly
The SCARA layout moves quickly point to point, and ±0.010 mm repeatability suits inserting and fitting small components.
Pick and Place and Kitting
A 3 kg maximum payload and a 400 mm arm length cover transfer between trays, feeders and conveyors.
Dispensing and Testing
The LS3-B401 follows dispensing paths and loads test fixtures in electronics and medical device production.
Epson LS3-B401 Price and Value
The Epson LS3-B401 is listed from USD 8,000 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
3 kg maximum payload with a 400 mm arm length
±0.010 mm repeatability
0.42 s standard cycle time
Value-priced SCARA line
Cons
Tabletop mounting only
Four axes: parts cannot be tilted
The 3 kg maximum payload includes the end effector
End effectors, safety equipment and integration are quoted separately
Who Should Buy the Epson LS3-B401?
The Epson LS3-B401 fits electronics, medical device and consumer goods manufacturers that need fast, precise point-to-point motion.
See the full Epson LS3-B401 product listing on All Things Cobots.
Epson LS3-B401 FAQ
How much does the Epson LS3-B401 cost?
The Epson LS3-B401 is listed from USD 8,000 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 Epson LS3-B401?
The LS3-B401 has a maximum payload of 3 kg and an arm length of 400 mm.
How accurate is the Epson LS3-B401?
Its published repeatability is ±0.010 mm.
How many axes does the Epson LS3-B401 have?
The LS3-B401 has 4 axes.
How is the Epson LS3-B401 programmed?
It is programmed in the Epson RC+ development environment using the SPEL+ language.
Which controller does the Epson LS3-B401 use?
It runs on the Epson RC90-B controller.
How much does the Epson LS3-B401 weigh?
Published weight 14 kg.
How can the Epson LS3-B401 be mounted?
Published mounting options: tabletop.
What is the Epson LS3-B401 used for?
Typical applications are small parts assembly, electronics handling, medical device assembly, testing, packaging and dispensing.
Specifications and prices are based on manufacturer and distributor information. Prices are indicative, are not final and may change.
