€
Operating data
Old system (non-dim)
New system (LED)
Lighting system
3-PH STS spotlight
(HIT/CDMT or LED Gen1)
VARO 80 S
3-PH STS spotlight
Light output (%)
100 %
100 %
Illuminance Em room
350 lx
750 lx
Illuminance Em-ver product vertical
1000 lx
1650 lx
Illuminance Em-hor product horizontal
1350 lx
2100 lx
Power consumption (W)
2730 W
1468 W
Power consumption area (W/m²)
20.1 W/m²
10.7 W/m²
Energy / CO2 savings (%)
0 %
46 %
Operating data
Old system 2012/13 (non-dim)
New system 2023 (LED – DIM DALI)
Lighting system
3-PH STS spotlight
(HIT/CDMT or LED Gen1)
VARO 80 S
3-PH STS spotlight
Light output (%)
100 %
75 % (dimmed)
Illuminance Em room
350 lx
500 lx
Illuminance Em-ver product vertical
1000 lx
1200 lx
Illuminance Em-hor product horizontal
1350 lx
1500 lx
Power consumption (W)
2730 W
1100 W
Power consumption area (W/m²)
20.1 W/m²
8 W/m²
Energy / CO2 savings (%)
0 %
60 %
Lighting system in DALI mode (dimmable) with presence control concept*
8 am to 2 pm / 2 pm to 8 pm (weekdays)
Light output (%)
100 %
50 % / 75 % (dimmed)
Illuminance Em room
350 lx
300 / 500 lx
Illuminance Em-ver product vertical
1000 lx
800 / 1200 lx
Illuminance Em-hor product horizontal
1350 lx
1000 / 1500 lx
Power consumption (W)
2730 W
682 W (average 8 am to 8 pm)
Power consumption area (W/m²)
20.1 W/m²
5 W/m² (average 8 am to 8 pm)
Energy / CO2 savings (%)
0 %
75 % (average 8 am to 8 pm)
Comparison: old lighting system vs. new lighting system
Lighting system in on/off mode (switch only)
Lighting system in DALI mode (dimmable)
* Presence control concept: On weekdays between 8 am and 2 pm, the illuminance is lowered due to lower footfall
Benefits of lighting retrofitting
Low maintenance costs and high
rated service life L90 @ 50.000 h
At least 45 % energy / CO2
savings compared to old systems
in on-off mode
Up to 75 % energy / CO2 savings
compared to old systems with
control concept
Best performance: CRI 90 /
3 – 4000 K / efficiency ≥ 122 lm/W
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