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Universal Robots UR3

Universal Robots UR3 is a discontinued compact CB3 collaborative robot with a 3 kg payload and 500 mm reach for bench-top automation and light assembly.

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$12,500

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Payload
3 kg
Max Speed
1 m/s typical TCP
Runtime
Continuous (mains powered)
Navigation
PolyScope pendant and hand guidance
Environment
Indoor / industrial and labs
Best For
Compact assembly and handling

OVERVIEW

Universal Robots UR3 is the legacy CB3-generation compact collaborative robot developed for bench-top automation, light assembly, testing, dispensing, screwdriving, polishing, and laboratory tasks.

It combines a 3 kg payload, 500 mm reach, six rotating joints, compact footprint, hand-guided teaching, PolyScope programming, and flexible mounting.

The CB3 product line ended sales in 2024, while service and spare-parts support are planned through 2032.

As a discontinued CB3 model, UR3 is now mainly relevant to existing installations, used equipment, and teams maintaining legacy compact cobot cells.

IS THIS ROBOT RIGHT FOR YOU?

Good fit if...

Not ideal if...

APPLICATIONS AND USE CASE FIT

Cleaning
Warehouse transport
Material handling
Inspection
Security / patrol
Delivery / service runs
Palletizing / stacking
Pick and place / sorting
Welding / fabrication
Manufacturing automation
Human interaction / service
Home / personal use

KEY FEATURES

3 kg payload

Designed for light tools, small parts, laboratory devices, and compact automation.

500 mm reach

Short working radius suits benches, test stations, and confined machine cells.

Six-axis cobot arm

Flexible articulated movement supports varied approach angles and tool orientation.

PolyScope CB3 platform

Legacy graphical programming and teach pendant support existing CB3 workflows.

Flexible mounting

Compact arm can be integrated on benches, machines, mobile stands, and fixtures.

CB3 end of sale

New CB3 orders ended in 2024, with service and spare parts planned through 2032.

TECHNICAL SPECIFICATIONS

Robot type

Collaborative robot arm

Main purpose

Compact assembly and handling

Operating environment

Indoor / industrial and labs

Deployment

CB3 sales ended 2024; UR3e current

Payload / load capacity

3 kg

Reach

500 mm

Mobility

Fixed robotic arm

Manipulation

6-axis arm; interchangeable EOAT

Max speed

1 m/s typical TCP

Runtime

Continuous (mains powered)

Power source

100–240 VAC via CB3 controller

Navigation / control

PolyScope pendant and hand guidance

Sensors

Encoders; force/collision monitoring

Dimensions

Footprint: Ø128 mm

Weight

11 kg

SUPPLIER

Within 1-2 days
Odense, Denmark
Worldwide via local offices and distributors
Manufacturer

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FAQ

Frequently asked questions

How much does the Universal Robots UR3 cost? +

There is no current official new-unit Universal Robots UR3 price because Universal Robots ended sales of the CB3 product line in 2024 and replaced the original UR3 with the current e-Series platform. Any price found online is likely to relate to a used unit, old inventory, a collector listing or a system whose software and cloud functions may no longer be fully supported.

Used pricing can vary widely depending on condition, battery health, included charging equipment, account access, accessories, location and whether the robot can still connect to the services required for its main features. Universal Robots ended sales of the CB3 product line in 2024 and recommends the e-Series for new automation projects; used pricing must be judged against condition, controller and support. Before paying for a legacy unit, verify what still works and whether replacement parts, apps and technical support remain available.

Anton Robots can help buyers compare the risks of a legacy purchase with current cobots rather than presenting an old listing as a normal new-product sale.

Where can I buy the Universal Robots UR3? +

You may find a used or old-stock Universal Robots UR3 through collectors, specialist resellers or second-hand marketplaces, but it is no longer a normal new-product purchase. Universal robots ended sales of the cb3 product line in 2024 and replaced the original ur3 with the current e-series platform. Anton Robots should therefore treat the product as legacy rather than claim that a new supported unit can be ordered.

Before buying, confirm the UR3 generation, serial number, CB3 controller, teach pendant, PolyScope version, safety notices, joint condition, service history, cables, mounting hardware and remaining support. A physically complete robot may still be a poor purchase if key apps, cloud services, accounts, batteries, chargers or replacement parts are unavailable. You can use Anton Robots to compare the legacy model with current cobots and decide whether a used unit is suitable for display, collection, offline development or limited demonstrations.

Anton Robots can rank for purchase-intent searches by explaining where used units appear, what must be checked and why the product is no longer a normal factory transaction. Accuracy is more valuable than an unsupported quote button.

Where can I find a Universal Robots UR3 for sale? +

You may occasionally find the Universal Robots UR3 for sale as a used, surplus or collector unit, but the product is legacy and should not be presented as current factory stock. Listings can differ significantly in condition and completeness. Check the serial or model variant, battery condition, charger, accessories, account status, software version, cloud dependence, repair history and whether the seller can demonstrate the robot operating.

Universal robots ended sales of the cb3 product line in 2024 and replaced the original ur3 with the current e-series platform. A used unit may make sense for a collection, museum display or constrained technical project, but it may not provide the original connected experience. Anton Robots can help compare the risk against current cobots.

Anton Robots can rank for purchase-intent searches by explaining where used units appear, what must be checked and why the product is no longer a normal factory transaction. Accuracy is more valuable than an unsupported quote button.

Can I get a quote for the Universal Robots UR3? +

Anton Robots can help review a used-unit offer or compare current alternatives, but a normal new-product quote for the Universal Robots UR3 is not available because Universal Robots ended sales of the CB3 product line in 2024 and replaced the original UR3 with the current e-Series platform. A legacy review should document the seller, condition, included equipment, software access, cloud dependence, battery health, support status and return rights. It should not be written like a factory quotation with assumed warranty and current service coverage.

If the buyer needs an actively supported robot for a home, school, event or commercial project, Anton Robots can instead prepare a comparison of current cobots. Anton Robots can rank for purchase-intent searches by explaining where used units appear, what must be checked and why the product is no longer a normal factory transaction.

Accuracy is more valuable than an unsupported quote button. International used-equipment purchases should include dismantling, crating, freight, customs, inspection, local compliance and recommissioning. These costs can exceed the apparent saving on the robot itself.

What is included when you buy the Universal Robots UR3? +

There is no standard current factory package for the Universal Robots UR3. A used listing may include only the robot, or it may also include older accessories and documentation. Before buying, confirm whether the seller provides:

  • UR3 CB3 robot arm
  • Matching CB3 control box
  • Teach pendant and robot cables
  • Power and I/O hardware
  • Available manuals and software backups
  • Inspection and service records
  • Seller warranty or return terms

Do not assume that the presence of the original charger or dock means the connected functions still operate. Account activation, app availability, cloud services, batteries and software compatibility may be separate problems. Ask for a live demonstration and a complete inventory before payment. For an existing production line, compatibility may justify legacy hardware. The agreement should still include inspection rights, a functional test, clear condition grading and confirmation that the controller and documentation are included.

For Anton Robots, the correct conversion path is not to promise new stock. The page should answer the search directly, explain the legacy status and move the visitor toward a verified used-unit review or a currently supported alternative.

Can the Universal Robots UR3 be shipped internationally? +

A private seller may agree to ship a used Universal Robots UR3 internationally, but that does not mean the robot will be supported or fully functional in the destination country. Battery transport, voltage, plugs, account registration, language, Wi-Fi requirements, cloud services and local repair access can all create problems. Because Universal Robots ended sales of the CB3 product line in 2024 and replaced the original UR3 with the current e-Series platform, international buyers should be particularly cautious.

Ask for operating videos, exact contents, battery status, dimensions, customs classification and a clear return agreement before paying. For an existing production line, compatibility may justify legacy hardware. The agreement should still include inspection rights, a functional test, clear condition grading and confirmation that the controller and documentation are included.

For Anton Robots, the correct conversion path is not to promise new stock. The page should answer the search directly, explain the legacy status and move the visitor toward a verified used-unit review or a currently supported alternative.

Is the Universal Robots UR3 in stock and how long does delivery take? +

The Universal Robots UR3 is not in current factory production. Availability is limited to used units, old stock, private collections or institutional equipment being resold. The appearance of a listing does not confirm that the robot is complete, supported or able to use its original connected functions. Because Universal Robots ended sales of the CB3 product line in 2024 and replaced the original UR3 with the current e-Series platform, there is no dependable manufacturer lead time for a new unit.

Buyers should inspect each listing individually and compare it with a current supported alternative. International used-equipment purchases should include dismantling, crating, freight, customs, inspection, local compliance and recommissioning. These costs can exceed the apparent saving on the robot itself.

For Anton Robots, the correct conversion path is not to promise new stock. The page should answer the search directly, explain the legacy status and move the visitor toward a verified used-unit review or a currently supported alternative.

What warranty and support should I check before buying the Universal Robots UR3? +

A used Universal Robots UR3 should normally be assumed to have no current manufacturer warranty unless the seller provides written evidence otherwise. Universal robots ended sales of the cb3 product line in 2024 and replaced the original ur3 with the current e-series platform.

Support may be limited to archived manuals, community knowledge or whatever service the reseller voluntarily offers. Check battery condition, repair history, spare-part access, software accounts, cloud services and return rights. A short seller guarantee is not the same as manufacturer support, and a legacy robot may be uneconomic to repair after a major failure.

For Anton Robots, the correct conversion path is not to promise new stock. The page should answer the search directly, explain the legacy status and move the visitor toward a verified used-unit review or a currently supported alternative. The buyer should assume that downtime and unavailable parts can be expensive to resolve. For an operational project, compare the full cost of a supported replacement before investing in restoration of the Universal Robots UR3.

Is the Universal Robots UR3 worth buying? +

The Universal Robots UR3 is worth considering if you need a verified replacement or compatible compact cobot for an existing CB3 installation. Its small footprint and large installed base can make it useful where compatibility matters more than current-generation features.

However, it is not the right choice if you are designing a new cell, need long-term platform supply or would benefit from the UR3e force-torque sensing, support and current ecosystem. The decision should be based on the intended outcome, current commercial status, full ownership cost, operator skills, environment, integration and support.

Buyers should not choose it only because the robot is famous, visually impressive or appears in demonstration videos. Compare the Universal Robots UR3 with other cobots through Anton Robots before deciding. Anton Robots can rank for purchase-intent searches by explaining where used units appear, what must be checked and why the product is no longer a normal factory transaction. Accuracy is more valuable than an unsupported quote button.

Is the Universal Robots UR3 discontinued? +

Yes. The original UR3 belongs to Universal Robots’ CB3 product line, whose sales ended in 2024. Universal Robots announced last-time orders during 2024 and recommends that new automation solutions transition to the e-Series.

The company states that CB3 robots can continue to receive service, repairs and spare parts through 2032. This means UR3 should be classified as Legacy-Discontinued rather than Available. Used arms may remain productive, especially in existing compatible cells, but a new project should compare the current UR3e and other compact cobots. Any listing should identify the controller generation and serial number rather than using “UR3” and “UR3e” interchangeably.

Anton Robots can rank for purchase-intent searches by explaining where used units appear, what must be checked and why the product is no longer a normal factory transaction. Accuracy is more valuable than an unsupported quote button. For an existing production line, compatibility may justify legacy hardware. The agreement should still include inspection rights, a functional test, clear condition grading and confirmation that the controller and documentation are included.

What are the payload and reach of the Universal Robots UR3? +

The original UR3 is rated for a 3 kg payload and 500 mm reach. Payload includes the gripper, tool, brackets, cables and workpiece, not only the part being moved. The short reach is suited to bench-top applications, small test equipment, compact assembly stations and machines where the robot can be mounted close to the task.

Before buying a used unit, simulate the complete path and confirm that the payload centre of gravity remains within limits. If the tool and part approach 3 kg or the task needs more than 500 mm of working radius, a larger or current-generation cobot is likely to provide a safer engineering margin.

For an existing production line, compatibility may justify legacy hardware. The agreement should still include inspection rights, a functional test, clear condition grading and confirmation that the controller and documentation are included. International used-equipment purchases should include dismantling, crating, freight, customs, inspection, local compliance and recommissioning. These costs can exceed the apparent saving on the robot itself.

What is the difference between UR3 and UR3e? +

UR3 is the discontinued CB3-generation model, while UR3e is the current e-Series successor. Both share the compact 3 kg and 500 mm class, but UR3e adds the e-Series platform, including an integrated force-torque sensor, newer safety and control capabilities, current software development and a current commercial ecosystem. Controller hardware, software, service parts and some accessories are not automatically interchangeable.

Existing CB3 programmes can be migrated to e-Series with planning, but validation is still required. For a new cell, UR3e is normally the stronger choice. A used UR3 is most defensible when compatibility with an existing CB3 system is important. For an existing production line, compatibility may justify legacy hardware. The agreement should still include inspection rights, a functional test, clear condition grading and confirmation that the controller and documentation are included.

For Anton Robots, the correct conversion path is not to promise new stock. The page should answer the search directly, explain the legacy status and move the visitor toward a verified used-unit review or a currently supported alternative.

What applications suit a legacy UR3? +

A verified UR3 can still support light assembly, test-station loading, screwdriving, dispensing, polishing, electronics handling, laboratory automation and education when the 3 kg payload and 500 mm reach are sufficient. The robot needs application-specific tooling, fixtures, safety assessment and integration.

Used condition can affect repeatability, reliability and uptime. A buyer should test the real cycle, check protective-stop history, inspect joints and cables and confirm the installed PolyScope version. The application should not depend on unsupported cloud software or assume current e-Series performance. For a production-critical new line, compare the cost and risk against buying a current cobot.

International used-equipment purchases should include dismantling, crating, freight, customs, inspection, local compliance and recommissioning. These costs can exceed the apparent saving on the robot itself. A legacy robot should be valued according to what can be demonstrated today, not its original launch claims. Record videos, software versions, controller details, operating hours and included equipment before purchase.

What should I inspect on a used Universal Robots UR3? +

Verify the serial number, controller generation, teach pendant, arm-controller match, PolyScope version, operating hours, protective stops, joint noise, backlash, brake release, cable condition, tool flange, I/O and safety functions. Review service records and check whether applicable safety notices and software updates were completed.

Run the robot from cold start, complete a representative programme under payload and confirm repeatability and fault history. Make sure the power cable, robot cable, teach pendant and controller are included. Ask about backups, licences, passwords, mounts and return rights. A low-priced arm without the correct controller or with unresolved joint faults can be more expensive than a current replacement.

A legacy robot should be valued according to what can be demonstrated today, not its original launch claims. Record videos, software versions, controller details, operating hours and included equipment before purchase. The buyer should assume that downtime and unavailable parts can be expensive to resolve. For an operational project, compare the full cost of a supported replacement before investing in restoration of the Universal Robots UR3.

Can the Universal Robots UR3 still be serviced? +

Universal Robots’ CB3 end-of-sale notice states that CB3 robots can be serviced and repaired in UR Service Hubs and that spare parts can be ordered through 2032. Actual regional availability, lead time and repair economics should be confirmed for the serial number and destination. Some parts or controller revisions may require substitutions.

A buyer should also check local integrator capability and whether the application can tolerate downtime. Service support through 2032 does not mean new-unit sales continue or that every used robot carries a warranty. The purchase agreement should identify who pays for inspection, transport, repairs and recommissioning. A legacy robot should be valued according to what can be demonstrated today, not its original launch claims. Record videos, software versions, controller details, operating hours and included equipment before purchase.

Anton Robots can rank for purchase-intent searches by explaining where used units appear, what must be checked and why the product is no longer a normal factory transaction. Accuracy is more valuable than an unsupported quote button.

Should I buy a used UR3 or a new UR3e? +

Choose a used UR3 mainly when you need compatibility with an existing CB3 cell, have in-house knowledge and can verify the exact unit. Choose UR3e for a new project when current support, integrated force-torque sensing, active software development, warranty and long-term ecosystem access matter. Compare the complete cost: used robot, inspection, possible joints or pendant repairs, integration, downtime and remaining service horizon versus a new UR3e package.

A used UR3 can be a sensible spare or budget teaching platform, but it should not win only because the headline price is lower. Anton Robots can structure a like-for-like comparison around the real task. Anton Robots can rank for purchase-intent searches by explaining where used units appear, what must be checked and why the product is no longer a normal factory transaction.

Accuracy is more valuable than an unsupported quote button. For an existing production line, compatibility may justify legacy hardware. The agreement should still include inspection rights, a functional test, clear condition grading and confirmation that the controller and documentation are included.

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