Gallery interior with ceiling spotlights directed towards framed artwork

Lumi Indoor

SOLSTICE

Application inspiration · not a project reference

SOLSTICE 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.

Down Light

SOLSTICE

2 variants·luminaire·ceiling recessed

SOLSTICE is a down light family within the LUMIBRIGHT Lumi Indoor collection. Explore 1 models, including LBT3533, with model-specific specifications and configuration choices. LBT3533 specifications include power: 45W; colour temperature: 4000K; IP rating: IP20; dimensions: Ø183x183x153mm. Compare the SOLSTICE 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.

SOLSTICE LUMIBRIGHT product family

Model specifications

LBT3533Wattage45WCCT4000KIPIP20DimensionsØ183x183x153mmCut-outØ165x165mm
LUMIBRIGHT SOLSTICE down light product view

Configuration

Select Specification

Power
Beam Angle
CCT
Finish
IP Rating

Select attributes to narrow down variants

All Variants (2)

CodePowerCCTBeamCRIFinishSizePDF
LBT353345W3000K, 4000K, 5000K60°90WhiteØ183x183x153mm
LBT353345W3000K, 4000K, 5000K25°90blackØ183x183x153mm

Dimensions

Technical Drawing

Drawing and sizes shown for model LBT3533.

Size — model LBT3533

Ø183x183x153mm

Cut-Out

Ø165x165mm

Technical Data

Full Specification

DimensionsØ183x183x153mm
Cut-outØ165x165mm
Power45W
Lumen outputNot published — technical review required
EfficacyNot published — technical review required
Optics / beam angle25° · 60°
Colour temperature3000K · 4000K · 5000K
CRI Ra90
R9Not published — technical review required
TM-30 Rf / RgNot published — technical review required
UGRNot published — technical review required
IP ratingIP20
IK ratingNot published — technical review required
Ambient temperature (Ta)Not published — technical review required
DriverNot published — technical review required
Dimming / controlNot published — technical review required
Input voltage36VDC
Light sourceNot published — technical review required
MaterialNot published — technical review required
Finishblack · White
Mounting / installationNot published — technical review required
Net weightNot published — technical review required
CertificationNot published — technical review required
LifetimeNot published — technical review required
WarrantyNot published — technical review required
Lead timeNot published — technical review required

9 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.

How to compare cut-out, ceiling depth, delivered lumens, optic, glare and control →

Specifications

At a Glance

45W

Power

2 options

Beam Angle

3 CCT

3000K, 4000K, 5000K

CRI 90

Colour Rendering

IP20

Protection Rating

2 finishes

Body Finish

Ø183x183x153mm

Dimensions

Ø165x165mm

Cut-Out