
Technical specifications
| Code | Watt | CRI | Flux | Size | Beam | CCT | Cut-out | Notes |
|---|---|---|---|---|---|---|---|---|
| DL1731 | 5 W | 97 CRI | 400 lm | Ø40 x H69 mm | 15° 24° 36° 50° | 2700, 3000, 4000 K | Ø35 mm | 250 mA |
- LED source
- Citizen
- Colour temperature
- 2700, 3000, 4000 K
- Beam angles
- 15°, 24°, 36°, 50°
- Mounting
- Recessed
- IP rating
- IP20
- Certifications
- CE
Photometry
DL1731. 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, 19 August 2025
- Power
- 4.5 W, 3000 K
- Luminous flux
- 271 lm
- Efficacy
- 60 lm/W
- Peak intensity
- 824 cd
- Beam angle (50%)
- 31.1°
- Field angle (10%)
- 53.9°
- At 3 m
- 86 lx, Ø1.67 m
- Power
- 5 W
- Luminous flux
- 400 lm
- Efficacy
- 80 lm/W
- Peak intensity
- 5,172 cd
- Field angle (10%)
- 27.3°
- At 3 m
- 575 lx, Ø0.79 m
- Power
- 5 W
- Luminous flux
- 400 lm
- Efficacy
- 80 lm/W
- Peak intensity
- 2,033 cd
- Field angle (10%)
- 43.7°
- At 3 m
- 226 lx, Ø1.28 m
- Power
- 5 W
- Luminous flux
- 400 lm
- Efficacy
- 80 lm/W
- Peak intensity
- 916 cd
- Field angle (10%)
- 65.6°
- At 3 m
- 102 lx, Ø1.95 m
