ABB IRB 120 Review: Specs, Price and Applications of the 3 kg Industrial Robot
Updated: 2 days ago
The ABB IRB 120 is a six-axis industrial robot with a payload of 3 kg, a reach of 580 mm and ±0.01 mm repeatability, listed from USD 16,000. 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 IRB 120 is a compact six-axis robot with a 3 kg payload, a 580 mm reach and ±0.01 mm repeatability. It is built for small-parts handling and assembly in tight cells, and can carry 4 kg when the wrist points vertically down. It is listed from USD 16,000.
ABB IRB 120 at a Glance
Payload: 3 kg
Reach: 580 mm
Axes: 6
Repeatability: ±0.01 mm
Controller: ABB IRC5
Price: from USD 16,000
ABB IRB 120 Technical Specifications
The table below lists the published specifications of the ABB IRB 120.
Specification | ABB IRB 120 |
Manufacturer | ABB Robotics |
Model | IRB 120 |
Robot type | Six-axis industrial robot |
Payload | 3 kg |
Reach | 580 mm |
Axes | 6 |
Repeatability | ±0.01 mm |
Controller | ABB IRC5 |
Interfaces | DeviceNet, PROFINET, PROFIBUS DP, EtherNet/IP, CC-Link, Allen-Bradley Remote I/O, RS-232/RS-422, Ethernet, digital 24 V DC I/O, analog I/O |
Certifications | ISO 10218-1, EN 60204-1, ANSI/RIA R15.06, UL 1740, Cleanroom ISO Class 5 (IPA) |
Starting price | From USD 16,000 |
Detailed Technical Data
6 axes
Max. payload 3 kg (4 kg with vertical wrist)
Reach 580 mm
Repeatability ±0.01 mm
Mass 25 kg
Mounting any angle
Protection IP30
Controller IRC5 Compact or IRC5 Single Cabinet
Design and Build Quality
The robot weighs 25 kg and mounts at any angle. It is rated IP30, has an ISO Class 5 cleanroom rating and runs on the IRC5 Compact or IRC5 Single Cabinet controller.
Programming and Software
Controller
The IRB 120 runs on the ABB IRC5 controller. IRC5 is ABB's long-established robot controller platform.
RAPID and RobotStudio
Programs are written in ABB's RAPID language and can be created, simulated and tested offline in RobotStudio before they are loaded to the robot.
Industrial Communication
Published interfaces are DeviceNet, PROFINET, PROFIBUS DP, EtherNet/IP, CC-Link, Allen-Bradley Remote I/O, RS-232/RS-422, Ethernet, digital 24 V DC I/O and analog I/O.
ABB IRB 120 Applications and Use Cases
Typical applications for the IRB 120 are material handling, machine tending, assembly, packaging, inspection and dispensing.
Small-Parts Handling
The arm picks and places small components between feeders, trays and fixtures in compact cells.
Assembly
The ±0.01 mm repeatability suits fitting and inserting small parts in electronics and medical device production.
Packaging, Inspection and Dispensing
The IRB 120 also packs small products, presents parts to cameras and follows dispensing paths.
ABB IRB 120 Price and Value
The ABB IRB 120 is listed from USD 16,000 on All Things Cobots. The controller configuration, 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
±0.01 mm repeatability
25 kg arm that mounts at any angle
4 kg payload with a vertical wrist
ISO Class 5 cleanroom rating
Wide fieldbus support on IRC5
Cons
IP30 protection
Runs on the older IRC5 controller platform
580 mm reach covers a small work area
Who Should Buy the ABB IRB 120?
The IRB 120 fits manufacturers that need a proven small robot for handling and assembly, particularly plants already standardised on IRC5. For a newer design on OmniCore, compare the IRB 1100.
See the full ABB IRB 120 product listing on All Things Cobots.
ABB IRB 120 FAQ
How much does the ABB IRB 120 cost?
The ABB IRB 120 is listed from USD 16,000 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 ABB IRB 120?
The IRB 120 has a payload of 3 kg and a reach of 580 mm.
How accurate is the ABB IRB 120?
Its published repeatability is ±0.01 mm.
How many axes does the ABB IRB 120 have?
The IRB 120 has 6 axes.
Which controller does the ABB IRB 120 use?
It runs on the ABB IRC5 controller and is programmed in RAPID, with offline programming and simulation in RobotStudio.
How can the ABB IRB 120 be mounted?
Published mounting options: any angle.
What is the protection rating of the ABB IRB 120?
Its published protection rating is IP30.
What is the ABB IRB 120 used for?
Typical applications are material handling, machine tending, assembly, packaging, inspection and dispensing.
Specifications and prices are based on manufacturer and distributor information. Prices are indicative, are not final and may change.
