Commercial ceiling lighting
LED Recessed Downlights Matched to Your Ceiling and Lighting Task
Fit the light to the opening, available cavity and surfaces you want to illuminate. VST can shortlist LED recessed downlights from the published range and prepare a sample for your ceiling.
- Nine published models from 8W to 90W
- Cut-out and housing dimensions listed by model
- Beam, CCT and CRI choices for the space
- Driver and dimming options checked before supply
Product selection
Check the ceiling before selecting output
A fixture must fit above the ceiling as well as cover the opening below it. Existing holes and limited cavity depth often narrow the choice first.
VST supplies LED recessed downlights with separate published dimensions for the trim, body and ceiling cut-out. As a recessed LED downlight supplier, we can compare those measurements with your ceiling and lighting task. An opening photo and a few measurements are enough to begin. Once the fit is clear, choose the optical and control configuration, then use a sample to check installation and the appearance of the lit space.
Ceiling opening
Measure the actual opening in more than one direction. The visible trim diameter is not the cut-out size, and an uneven old hole may need attention.
Available cavity
Allow space for the complete housing, driver and cable route above the ceiling. Beams, ducts and access restrictions can rule out an otherwise suitable diameter.
Light on the surface
Choose output and distribution for the mounting height and target area. A narrow beam and a broad beam serve different tasks at the same power.
Existing controls
Identify the installed dimmer or control system. Select a matching driver and test operation before repeating the configuration across the ceiling.
Working with VST
Support for the ceiling layout and the supplied fixture
VST is a recessed LED downlight manufacturer with optical, electrical and structural engineering support for configuration selection.
A lighting layout for the room
VST can compare candidate photometric data in a lighting simulation using your ceiling height and target surfaces, helping you choose spacing before installation.
Measurements for the selected sample
Integrating-sphere checks can provide output, CCT and color-rendering data for the chosen configuration. Ask for results tied to the sample you are evaluating.
Changes with a defined scope
Finish, source and driver choices can be discussed alongside branding and packaging. A changed housing or mounting interface needs its own development and sample work.
Protection through delivery
Packing can protect the trim, optical opening and retention parts. Model identification helps the installation team separate fixture sizes and configurations when receiving an order.
Product construction
The opening, trim and recessed body do different jobs
LED recessed downlights place the fixture body above the ceiling while the trim finishes the visible opening.
The cut-out is the hole needed for installation. The outer trim covers its edge, and body depth determines how much cavity the fixture occupies. These dimensions must be checked separately. A recessed LED downlight may use different optics or drivers within a familiar housing, so matching the visible face alone does not establish equivalent lighting or control behavior. The published range is for indoor use with model-specific installation requirements. Fire resistance, insulation contact and wet-area suitability need their own evidence; none follows automatically from a recessed shape.
Product configurations
Compare opening sizes and optical options
As a recessed LED downlight OEM supplier, VST can quote the model and its selected optics, finish and driver together.
Lens or reflector choice
10W RRA043 with separately listed lens and reflector distributions.
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Intermediate cut-out
15W RRA046 for openings between the compact and larger fixture sizes.
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General commercial rooms
20W RRA046 with 2400 lm published output and a larger recessed body.
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Larger ceiling opening
32W RRA046 for projects that need its opening size and published 3500 lm output.
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Higher-output room lighting
42W RRA046 for larger lighting tasks with room for the deeper housing.
View Product Configuration checks
Fit, light and configuration
Use the model dimensions and optical choices to narrow the fixture before testing it in the ceiling.
Documented fit
Cut-out and overall dimensions are published separately. Check both against the ceiling so the body can enter and the trim can cover the opening.
Optical selection
The range has model-specific beam choices. Use the selected optic in the room layout instead of treating wattage as a coverage specification.
Color options
Published CCT and CRI choices let you specify color presentation. Evaluate the actual room finishes under the chosen sample before fixing the schedule.
Model-level compliance
Certification documents must match the supplied fixture and target market. VST can discuss the relevant evidence for the configuration in your quotation.
Component details
Source and fixture construction
Each part affects a different step in selecting and installing the downlight.
Component detail
COB emitting surface
The compact emitting surface sits behind the optic and supplies the light that the reflector directs into the room. Its CCT and color-rendering configuration affect how finishes and merchandise appear. For LED recessed downlights, assess the source as part of the complete fixture: the driver operating conditions and optic also affect the result. The fixture data and a lit sample provide different, complementary checks.
Component detail
Optical reflector
The reflector controls the distribution from the light source. Its shape and finish influence where useful light falls and how bright the opening appears from different positions. Compare the specified distribution at the intended mounting height. Retain the chosen optical configuration in the order so that later deliveries suit the same layout; a similar external trim does not identify the reflector.
Component detail
Retention clips
The retention clips hold the recessed body against the ceiling. Their usable movement and contact with the ceiling panel matter as much as the nominal hole diameter. Check the panel condition, thickness and clearance around the opening with the selected fixture. A sample installation helps reveal interference with nearby structure without assuming every old opening will accept the same retaining arrangement.
Video introduction
VST and project cooperation
Company and customer introductions for your supply discussion.
VST lighting support
The company introduction provides background on VST. Discuss the ceiling dimensions and optical or electrical support for your downlight project, then request the documents relevant to the shortlisted fixture.
Cooperation through sampling
The customer video offers an account of working with VST. For your ceiling project, agree how sample fit, control behavior and the chosen finish will be recorded before the production order.
Applications
Lighting tasks below the ceiling
Choose the fixture around the room’s surfaces and normal viewing positions.
Office work areas
LED recessed downlights can provide general light above desks and shared work areas without projecting below the ceiling. Check ceiling depth, workstation positions and glare from normal seated views. VST can compare beam options in a room layout and arrange the selected driver configuration for a representative sample area.
Retail merchandise
A retail interior needs light on shelves and displayed finishes while keeping the ceiling visually consistent. Compare mounting height, target surfaces and merchandise color under the proposed CCT and CRI. VST can shortlist an optical configuration and provide samples to assess the actual goods before repeating the layout.
Hospitality reception
A reception area combines a counter task with faces, signage and nearby waiting spaces. Check the required contrast, ceiling opening and dimming behavior at the intended operating levels. VST can propose suitable LED recessed downlights and a sample configuration for the counter and adjacent surfaces before the ceiling schedule is finalized.
Restaurant tables
Recessed fixtures can place light on dining tables while leaving circulation areas less prominent. Establish table positions, mounting height and the desired dimmed appearance, including reflections from glassware. VST can compare distributions and driver choices, then prepare a sample for checking the light at seated eye level.
Circulation corridors
Corridors need useful light along the walking route and at doorways without a fixture obstructing the ceiling line. Check spacing, ceiling void restrictions and the control arrangement for occupied and quiet periods. VST can assess the relevant fixture sizes and provide model data for the planned corridor layout.
Your next step
Find LED recessed downlights for your ceiling
Send the opening diameter, available depth, mounting height and approximate quantity to VST, your recessed LED downlight supplier. We can narrow the range and quote a fixture with the appropriate optical and driver options.
Technical details
LED recessed downlights: model data and installation
Compare the published recessed models, then select their order options.
| Model | Power | Output | Cut-out mm | Body depth mm |
|---|---|---|---|---|
| VST-DL-8W-RRA044 | 8W | 850 lm | 68-72mm | 60 |
| VST-DL-10W-RRA043 | 10W | 1100 lm | 75-80mm | 50 |
| VST-DL-15W-RRA046 | 15W | 1500 lm | 95-108mm | 80 |
| VST-DL-20W-RRA046 | 20W | 2400 lm | 118-132mm | 105 |
| VST-DL-32W-RRA046 | 32W | 3500 lm | 145-155mm | 120 |
| VST-DL-42W-RRA046 | 42W | 4300 lm | 162-180mm | 130 |
| VST-DL-52W-RRA046 | 52W | 5500 lm | 205-230mm | 126 |
| VST-DL-72W-RRA046 | 72W | 7000 lm | 205-230mm | 140 |
| VST-DL-90W-RRA046 | 90W | 8000 lm | 205-230mm | 160 |
| Shared published parameter | Value |
|---|---|
| Input | AC 200-240V, 50/60Hz |
| IP rating | IP42 |
| CRI choices | 80 / 90 / 97 |
| Dimming choices | Non-dimmable / TRIAC / 0-10V / DALI |
Choose optics, CCT, CRI, finish and the required control interface for the selected model. Branding and packaging can be prepared for the order. Housing or retention changes require separate engineering and sample checks.
VST’s recessed LED downlight factory assembles the ordered source, optic, driver and housing. Electrical checks, photometric sampling, aging and final inspection follow the agreed configuration, with the accepted sample identifying the required finish and assembly.
Isolate the circuit before work. A qualified installer should check the opening, cavity, ceiling condition and driver instructions, route the cables clear of retention parts, and secure the fixture correctly. Check control operation before completing a repeated installation.
Customer feedback
Feedback on downlight cooperation
Customers describe fit, controls and receiving details.
Ordering and cooperation
Downlight samples and order questions
Set the terms around the fixture and preparation actually required.
Yes. Send the opening and cavity measurements with the intended lighting task. VST can arrange a suitable sample configuration. Agree any sample charge and possible credit against a later bulk order before the sample is prepared.
Around 100 pieces is a general starting point for a standard lower-power fixture. Model, finish, driver and any structural changes affect the actual minimum. The quotation will state the quantity for your selected configuration.
Private labeling and custom packaging are supported. Provide the artwork and required identification with the selected model. A new housing or optical construction is a separate development request and may involve engineering or tooling charges.
Regular products generally take 2 to 3 weeks in production. Allow approximately 3 to 4 weeks for light customization and 4 to 6 for extensive changes. Materials, quantity and approvals affect the schedule; transport is additional.
The published recessed models state a minimum three-year warranty. Use the coverage and operating conditions agreed for the selected fixture. Send the model, order details and photos or video when reporting a quality issue so VST can discuss replacement support.
Samples are paid in full before preparation by PayPal, Western Union or bank transfer. Bulk orders use bank transfer with a 30% deposit and 70% before shipment. Record the final order configuration and payment terms in the quotation.
Product questions
Ceiling and electrical compatibility
Ceiling construction and the existing electrical system can raise questions beyond the fixture dimensions. Resolve these before selecting LED recessed downlights for a room or repeated fit-out.
Ask a qualified installer to check the circuit and the selected driver’s requirements before adding fittings. Existing protection, control equipment and total connected load all need consideration. Request the model-specific electrical information rather than deciding the permitted fixture count from nominal wattage alone.
| Option | Information to provide |
|---|---|
| TRIAC | Existing dimmer model and connected load |
| 0-10V | Controller and control-wiring details |
| DALI | Bus layout and commissioning requirements |
Do not assume insulation contact is allowed. Ask for installation instructions and evidence for the exact fixture and ceiling build-up. The published dimensions alone do not establish insulation clearances or permit covering the housing and driver.
That depends on the tested ceiling and luminaire arrangement. A recessed shape or general electrical certification does not establish fire resistance. Identify the required ceiling rating before choosing LED recessed downlights and obtain evidence applicable to the proposed installation.
No. The ordered driver and control interface must match the system. Compare the dimmer or controller model, wiring and required operating range, then test the selected combination. A choice of dimming options on a product page does not make one driver compatible with all of them.
Only after checking the LED load and the driver’s output, control and connection requirements. Matching mains input or connector appearance is insufficient. Compare the complete electrical configuration before connecting LED recessed downlights to an existing driver.