UR5e vs Elite Robots CS66: 5–6 kg Cobot Comparison of Price, Speed and Protection
Updated: 8 hours ago
IN A NUTSHELL
🔎 THE KEY DIFFERENCE Elite Robots CS66 has the higher stated load capacity and longer stated reach. Those figures help shortlist it for heavier loads or wider layouts, but do not prove a faster production cycle. |
→ CONSIDER Universal Robots UR5e Consider it when its stated load and reach already cover your task and its controls fit your equipment. This article compares 5 kg with a published reach of 850 mm; include the gripper and part in the load. |
→ CONSIDER Elite Robots CS66 Consider it when additional load capacity and reach matter. This article compares 6 kg with a published reach of 914 mm; include the gripper and part in the load. |
💡 THE TAKEAWAY Check the real tool, movement path and safety assessment before choosing. A collaborative label does not make every task safe without guarding; compare complete installation quotes. |
The Universal Robots UR5e and the Elite Robots CS66 are close matches. Both weigh about 20 kg and repeat to ±0.03 mm. The CS66 carries a little more, reaches a little further, is better protected and costs about a third less.
Quick verdict. The Elite CS66 is the value choice, with 6 kg payload, 914 mm reach, a 2.8 m/s speed, IP65 and a listed price about 36% lower. The UR5e is the better choice for force-controlled tasks and plants built around UR robots.
UR5e and Elite Robots CS66 at a glance
The UR5e carries 5 kg over 850 mm, repeats to ±0.03 mm and weighs 20.6 kg.
The CS66 carries 6 kg over 914 mm, repeats to ±0.03 mm, weighs 20 kg on a Ø150 mm base and is rated IP65, with IP68 optional.
Main specification comparison
Specification | Universal Robots UR5e | Elite Robots CS66 |
Brand | Universal Robots | Elite Robots |
Listed price | $35,000 | $22,400 |
Payload | 5 kg | 6 kg |
Reach | 850 mm | 914 mm |
Repeatability | ±0.03 mm | ±0.03 mm |
Axes | 6 | 6 |
Speed | 180°/s maximum joint speed on all six joints | 2.8 m/s |
Arm weight | 20.6 kg | 20 kg |
IP rating | IP54 | IP65 (IP68 optional) |
Controller | UR control box CB 5.2 / CB 5.5 | AC control cabinet (OEM DC/AC optional) |
Price comparison
UR5e: listed from $35,000
Elite Robots CS66: listed from $22,400
Difference: $12,600
The CS66 costs roughly 36% less
Payload, reach and precision
The CS66 carries 6 kg, 1 kg more than the UR5e, and reaches 914 mm, 64 mm more. Both publish ±0.03 mm repeatability, and the arms weigh almost the same.
Speed and protection
Elite publishes a 2.8 m/s maximum speed for the CS66. The CS66 is rated IP65, with an IP68 option, against IP54 for the UR5e, which suits coolant, washdown and dusty environments.
Sensing and safety
The UR5e has a built-in 50 N / 10 Nm force/torque sensor and 17 configurable safety functions certified to EN ISO 13849-1 (PLd, Category 3), which suits insertion, press-fit and screwdriving.
Programming and connectivity
The UR5e runs PolyScope with UR+ accessories and supports Modbus TCP, PROFINET and EtherNet/IP. The CS66 uses an AC control cabinet, with an optional OEM controller, and Elite publishes Modbus TCP/RTU, EtherNet/IP, PROFINET, RS485, 24 digital inputs and 24 digital outputs.
Best applications for the UR5e
Force-controlled assembly and screwdriving
Plants with existing UR cells
Projects built on UR+ accessories
Best applications for the Elite Robots CS66
Machine tending near coolant and chips
Handling up to 6 kg on a budget
Cells that need many I/O channels
UR5e advantages
Built-in force/torque sensor
17 configurable safety functions
UR+ ecosystem
UR5e limitations
About $12,600 higher listed price
IP54 rating
Elite Robots CS66 advantages
About 36% lower listed price
6 kg payload and 914 mm reach
IP65, IP68 optional
Elite Robots CS66 limitations
Smaller accessory ecosystem than UR+
Final verdict
Choose the Elite CS66 for more payload, reach and protection at a lower price. Choose the UR5e when force control and the UR+ ecosystem matter.
The arms are similar enough in size that either can replace the other in an existing cell.
Sources and further reading
Frequently asked questions
Which is cheaper, the UR5e or the Elite CS66?
The CS66 is listed from $22,400 and the UR5e from $35,000, a difference of $12,600.
Which robot carries more?
The CS66 carries 6 kg and the UR5e 5 kg.
Which robot has the longer reach?
The CS66 reaches 914 mm and the UR5e 850 mm.
Are they equally precise?
Yes. Both publish ±0.03 mm repeatability.
Which robot has better protection?
The CS66 is rated IP65 and the UR5e IP54.
Which robot should I buy?
Choose the CS66 for value and protection. Choose the UR5e for force control.
