
Lumi Indoor
SQUARE
Application inspiration · not a project reference
SQUARE 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.
Panel Light
SQUARE
SQUARE is a panel light family within the LUMIBRIGHT Lumi Indoor collection. Explore 11 models, including LB5388, LBP5301, LBP5302, with model-specific specifications and configuration choices. LB5388 specifications include power: 40W; colour temperature: 3000K/4000K/5000K/6000K/6500K; IP rating: IP44; dimensions: 597x597x30mm. Compare the SQUARE 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 |
|---|---|---|---|---|---|
| LB5388 | Wattage40W | CCT3000K/4000K/5000K/6000K/6500K | IPIP44 | Dimensions597x597x30mm | Cut-outNot published |
| LBP5301 | Wattage32W | CCT3000K/4000K/6500K | IPIP40 | Dimensions595x595x8mm | Cut-outNot published |
| LBP5302 | Wattage40W | CCT3000K/4000K/6500K | IPIP40 | Dimensions595x595x8mm | Cut-outNot published |
| LBP5303 | Wattage40W | CCT3000K/4000K/6500K | IPIP40 | Dimensions595x595x8mm | Cut-outNot published |
| LBP5304 | Wattage40W | CCT3000K/4000K/6500K | IPIP40 | Dimensions595x595x8mm | Cut-outNot published |
| LBP5305 | Wattage40W | CCT3000K/4000K/6500K | IPIP40 | Dimensions595x595x8mm | Cut-outNot published |
| LBT5304 | Wattage29W | CCT3000K/4000K/6500K | IPIP44 | Dimensions597x597x45mm | Cut-outNot published |
| LBT5305 | Wattage36W | CCT3000K | IPIP40 | Dimensions597x597x09mm | Cut-outNot published |
| LBT5306 | Wattage36W | CCT6000K | IPIP40 | Dimensions595x595x10mm | Cut-outNot published |
| LBT5307 | Wattage25W | CCT3000K/4000K/6500K | IPIP44 | Dimensions400x400x30mm | Cut-outNot published |
| LBT5311 | Wattage48W | CCT6000K | IPIP44 | DimensionsL597xW597xH35mm | Cut-outNot published |
Technical Data
Full Specification
| Dimensions | 597x597x30mm · 595x595x8mm · 597x597x45mm · 597x597x09mm +3 more |
|---|---|
| Cut-out | Not published — technical review required |
| Power | 40W · 32W · 29W · 36W +2 more |
| Lumen output | 3840lm · 3600lm · 4000lm · 4400lm +2 more |
| Efficacy | 100-110 lm/W · 80-100lm/W |
| Optics / beam angle | 120° · 110° |
| Colour temperature | 3000K · 4000K · 5000K · 6000K +3 more |
| CRI Ra | 80+ · >80 |
| R9 | Not published — technical review required |
| TM-30 Rf / Rg | Not published — technical review required |
| UGR | Not published — technical review required |
| IP rating | IP44 · IP40 |
| 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 | 100-240VAC · 220-240VAC |
| Light source | Not published — technical review required |
| Material | Aluminium+PC · Aluminium · Die-cast Aluminium · Metal alloy |
| Finish | White · WWH |
| 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.
Configuration
Select Specification
Select attributes to narrow down variants
Product Lines
11 Products
Dimensions
Technical Drawing
Drawing and sizes shown for model LB5388. This family has 11 models with different dimensions — select a model above, or open its row in the variant table, for its own drawing.
Size — model LB5388
597x597x30mm
Specifications
At a Glance
25–48W
Power Range
2 options
Beam: 110°, 120°
5 CCT
3000K, 4000K, 5000K, 6000K, 6500K
CRI 80
Colour Rendering
IP40 / IP44
Protection Rating
7 sizes
400x400x30mm, 595x595x10mm, 595x595x8mm, 597x597x09mm, 597x597x30mm, 597x597x45mm, L597xW597xH35mm
















