Technical specifications
| Code | Watt | CRI | Voltage | Flux | Size | Beam | CCT | Cut-out | Notes |
|---|---|---|---|---|---|---|---|---|---|
| DL1331 | 18 W | 97 CRI | max 37 V | 1800 lm | Frame 91 × 91, plate 150 × 104, H125 mm | 15° 24° 36° 50° | 2700, 3000, 4000 K | Ø105 mm | 500 mA |
| DL1157 | 26 W | 97 CRI | max 37 V | 2600 lm | Frame 91 × 91, plate 150 × 104, H125 mm | 15° 24° 36° 50° | 2700, 3000, 4000 K | Ø105 mm | 700 mA |
- LED source
- Citizen
- Colour temperature
- 2700, 3000, 4000 K
- Beam angles
- 15°, 24°, 36°, 50°
- Mounting
- Recessed
- IP rating
- IP20
- Certifications
- CE
Photometry
DL1157. Polar curve (C0–C180 solid, C90–C270 dashed, cd/klm) and key figures from the same data as the IES and LDT files: measured with a goniophotometer where marked, otherwise calculated from catalogue data.
- Data
- Measured, 26 August 2025
- Power
- 26 W, 90 K
- Luminous flux
- 2,399 lm
- Efficacy
- 92 lm/W
- Peak intensity
- 7,865 cd
- Beam angle (50%)
- 31.4°
- Field angle (10%)
- 47.6°
- At 3 m
- 873 lx, Ø1.69 m
- Power
- 26 W
- Luminous flux
- 2,600 lm
- Efficacy
- 100 lm/W
- Peak intensity
- 33,617 cd
- Field angle (10%)
- 27.3°
- At 3 m
- 3,735 lx, Ø0.79 m
- Power
- 26 W
- Luminous flux
- 2,600 lm
- Efficacy
- 100 lm/W
- Peak intensity
- 13,216 cd
- Field angle (10%)
- 43.7°
- At 3 m
- 1,468 lx, Ø1.28 m
- Power
- 26 W
- Luminous flux
- 2,600 lm
- Efficacy
- 100 lm/W
- Peak intensity
- 5,952 cd
- Field angle (10%)
- 65.6°
- At 3 m
- 661 lx, Ø1.95 m
