UR3e vs Kassow Robots KR1205: Cobot Comparison of Reach, Axes and Price
The Universal Robots UR3e and the Kassow Robots KR1205 share ±0.03 mm repeatability and an IP54 rating. The KR1205 carries 2 kg more, reaches 700 mm further and adds a seventh axis. The UR3e is the compact benchtop arm and costs about $3,100 less.
Quick verdict. The Kassow Robots KR1205 is the better choice for machine tending and tasks that need reach, with 5 kg payload, 1200 mm reach and 7 axes. The UR3e is the better choice for compact benchtop and in-machine cells, with an 11.2 kg arm, built-in force sensing and a listed price about 8% lower.
UR3e and Kassow KR1205 at a glance
The UR3e carries 3 kg over 500 mm, repeats to ±0.03 mm and weighs 11.2 kg.
The Kassow Robots KR1205 carries 5 kg over 1200 mm with 7 axes, repeats to ±0.03 mm and is rated IP54.
Main specification comparison
Specification | Universal Robots UR3e | Kassow Robots KR1205 |
Brand | Universal Robots | Kassow Robots |
Listed price | $33,800 | $36,900 |
Payload | 3 kg | 5 kg |
Reach | 500 mm | 1200 mm |
Repeatability | ±0.03 mm | ±0.03 mm |
Axes | 6 | 7 |
Speed | 3 m/s maximum TCP speed | 225 deg/s |
Arm weight | 11.2 kg | Not specified |
IP rating | IP54 | IP54 |
Price comparison
UR3e: listed from $33,800
Kassow Robots KR1205: listed from $36,900
Difference: $3,100
The UR3e costs roughly 8% less
Payload, reach and axes
The KR1205 carries 5 kg against 3 kg and reaches 1200 mm against 500 mm. Its seventh axis lets it reach around obstacles and into confined spaces, which suits machine tending, dispensing and inspection.
Precision and footprint
Both arms publish ±0.03 mm repeatability and are rated IP54. The KR1205 mounts on a 130 × 130 mm footprint and Kassow publishes joint speeds of 225 deg/s. The UR3e publishes a 3 m/s maximum tool speed.
Weight and sensing
The UR3e weighs 11.2 kg and has a built-in ±30 N / ±10 Nm force/torque sensor with continuous rotation on its final joint. It suits benches, light frames and robots mounted inside machines, and runs PolyScope with UR+ accessories.
Best applications for the UR3e
Compact benchtop assembly
Force-controlled insertion
Robots inside machines
Best applications for the Kassow KR1205
Machine tending over 1200 mm
Dispensing and inspection
Tasks that need a seventh axis
UR3e advantages
11.2 kg arm
Built-in force/torque sensor
About $3,100 lower listed price
UR3e limitations
3 kg payload and 500 mm reach
Kassow KR1205 advantages
5 kg payload and 1200 mm reach
7 axes
130 × 130 mm footprint
Kassow KR1205 limitations
Arm weight not listed in our review
Final verdict
Choose the Kassow Robots KR1205 for reach and a seventh axis. Choose the UR3e for compact, light benchtop work at a slightly lower price.
Sources and further reading
Frequently asked questions
Which is cheaper, the UR3e or the Kassow Robots KR1205?
The UR3e is listed from $33,800 and the KR1205 from $36,900, a difference of $3,100.
Which robot carries more?
The KR1205 carries 5 kg and the UR3e 3 kg.
Which robot has the longer reach?
The KR1205 reaches 1200 mm and the UR3e 500 mm.
Are they equally precise?
Yes. Both publish ±0.03 mm repeatability.
How many axes do they have?
The KR1205 has 7 axes and the UR3e 6.
Which robot should I buy?
Choose the KR1205 for reach. Choose the UR3e for compact benchtop work.
