Unified Glare Rating

This is an approximate model expressing the risk of glare.

The standard values range from UGR 16 (low risk of glare) to UGR 28.
In the standard for workplace lighting EN12464-1, limit values for UGR are imposed for various rooms.

Typical UGR values : 

• Office/Classrooms/Meeting rooms : UGR<19
• Corridors : UGR<28
• Staircases : UGR<25
• Warehouses : UGR<25

More info

3000 K = warm white

4000 K = natural white

5000 K = cool white

Individual luminaires are individually mounted and connected.

It is also possible to connect luminaires together for in-line mounting, whereby the luminaires are mechanically and electrically connected.

E4 and E7: in-line luminaires are interchangeable, and additional headpieces must be placed at the start and end of the line.

E5 and R3: There are unique luminaires for the ends and the middle of a line.

R7: There are unique luminaires for the beginning, middle and end of the line.