
Lumi Indoor
DUNA
Application inspiration · not a project reference
DUNA is part of Lumi Indoor. Coordinate the selected article’s dimensions, installation details and configuration with the project specification; these details can vary between models in the same family.
Spot Light
DUNA
DUNA is a spot light family within the LUMIBRIGHT Lumi Indoor collection. Explore 1 models, including LB2798, with model-specific specifications and configuration choices. LB2798 specifications include power: 5W; colour temperature: 3000K; IP rating: IP20; dimensions: Ø85mm. Compare the DUNA range by power, colour temperature, protection rating and dimensions using the technical table below. Open an individual model to explore its available finishes and optics, select a listed order code and prepare a specification sheet where configuration data is available. Keep the chosen model reference with your project schedule so the lighting and installation teams can coordinate the same selection. For additional drawings, photometry or project-specific requirements, contact the LUMIBRIGHT specification team with your model code.

Model specifications
| Article | Wattage | CCT | IP | Dimensions | Cut-out |
|---|---|---|---|---|---|
| LB2798 | Wattage5W | CCT3000K | IPIP20 | DimensionsØ85mm | Cut-outØ75mm |
Product View
Dimensions
Technical Drawing
Drawing and sizes shown for model LB2798.
Size — model LB2798
Ø85mm
Cut-Out
Ø75mm
Technical Data
Full Specification
| Dimensions | Ø85mm |
|---|---|
| Cut-out | Ø75mm |
| Power | 5W |
| Lumen output | 521lm |
| Efficacy | Not published — technical review required |
| Optics / beam angle | 24° |
| Colour temperature | 3000K · 4000K · 5000K |
| CRI Ra | 90 · >90 |
| R9 | Not published — technical review required |
| TM-30 Rf / Rg | Not published — technical review required |
| UGR | Not published — technical review required |
| IP rating | IP20 |
| IK rating | Not published — technical review required |
| Ambient temperature (Ta) | Not published — technical review required |
| Driver | Not published — technical review required |
| Dimming / control | Not published — technical review required |
| Input voltage | 220-240VAC |
| Light source | Not published — technical review required |
| Material | Dis-casting Aluminium |
| Finish | black · White |
| Mounting / installation | Not published — technical review required |
| Net weight | Not published — technical review required |
| Certification | Not published — technical review required |
| Lifetime | Not published — technical review required |
| Warranty | Not published — technical review required |
| Lead time | Not published — technical review required |
11 of 26 specification rows published from the 2026 master data. Values vary by model; missing test data is not estimated. Select an exact model for approval.
Specifications
At a Glance
5W
Power
24°
Beam Angle
3000K
Colour Temperature
CRI 90
Colour Rendering
IP20
Protection Rating
3 finishes
Body Finish
Ø85mm
Dimensions
Ø75mm
Cut-Out
Configure your product
LB2798
Order code
Listed configurationLB2798.W.930.WBK.24.DR
3 listed configurations · availability requires confirmation







