Recessed ceiling downlight
The 20W RRA046 is a recessed downlight. Check its published opening and mounting dimensions against the ceiling before adding it to your room schedule.
View Product Commercial fixture supply
Commercial LED lighting matched to each building zone
Choose commercial LED lighting for the surfaces you need to illuminate, with mounting and controls suited to each room.
- Recessed and surface-mounted fittings for different ceilings
- Directional light for merchandise and displays
- Replacement lamps chosen for existing wiring
- Model documents for your destination
Building lighting
Choose fittings for the room and its ceiling
Commercial LED lighting systems provide ambient, task, and accent light. The room use and ceiling construction determine which fixtures fit each area.
Commercial LED fixtures include downlights, track heads, sealed battens, and replacement tubes. Identify the surfaces needing light, then check mounting and controls. Allow for screen reflections, ceiling space, and service access. VST can help list the models, finishes, and quantities by room.
Existing ceiling fit
Record the ceiling opening or surface fixings. Check that a recessed fitting and its housing will fit inside the available void.
Comfort at eye level
Check normal viewing positions, screens, and polished surfaces. The layout needs to control visible brightness as well as provide light on the floor.
Operating patterns
Identify which circulation areas stay lit and which rooms are used intermittently. Specify switching and controls for the operating pattern in each area.
Project coordination
One fixture schedule across your building
VST is a commercial LED lighting supplier with engineering support for room schedules and fixture selection.
Room-based quotations
VST can quote by room and fixture type. This keeps quantities, finishes, and any substitutions clear when you order the building package.
Engineering discussion
Discuss electrical requirements with ceiling construction and light distribution. VST engineers can help resolve conflicts before they require installation changes on site.
Measured sample checks
Integrating-sphere measurements can check lumen output, CCT, and CRI on the agreed sample. Use the results when discussing the fixture specification with VST.
Phased production support
Give VST the planned release dates for rooms or buildings. Discuss quantities and packing for each phase, and check product availability before setting the installation schedule.
Category scope
What commercial LED lighting includes
Commercial lighting illuminates occupied business spaces. Each fitting also needs to meet the installation and operating requirements of its room.
Ambient light supports movement and general work; task light illuminates a working surface; accent light draws attention to displays. LED commercial light fixtures also need compatible ceilings, supplies, and controls. Compare distribution and glare alongside power. VST, your commercial LED lighting manufacturer, can help define the configuration from model specifications and room information. Choose each fixture for the room where it will be used.
Fixture options
Different fixtures for different room tasks
VST is a commercial LED lighting OEM supplier for specific finishes, interfaces, and branding, alongside standard fixtures.
Surface-mounted office downlight
Choose the surface-mounted SH50W-C where a ceiling opening is impractical. Compare its output with the room dimensions and normal viewing positions.
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Adjustable retail track head
The 20W SR08 aims light at displays that may change. Check the track connection and aiming range against the merchandise layout.
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T8 replacement tube
The 1200mm T8 replaces a lamp in an existing fitting. Inspect the holders and wiring before selecting the replacement configuration.
View Product Useful specification checks
Mounting, controls, and model records
Your commercial LED lighting supplier can organize photometric data, drawings, electrical details, and model references by fixture. VST can help prepare that information.
Layout inputs
Mark task surfaces and mounting positions on the room plan. They provide the information needed to calculate where the selected fitting will put light.
Housing choice
Recessed and surface-mounted fittings occupy different parts of the ceiling. Use their published drawings to check the opening, housing space, and mounting arrangement.
Control connection
Match the driver option to the control system. A stated dimming interface identifies the connection, but compatibility still needs to be checked.
Model identification
Use model codes and carton labels when receiving the order. They help the installation team assign similar-looking fittings to the intended rooms.
Optical construction
How the light source, reflector, and housing affect fit
The light source, reflector, and housing affect light appearance, distribution, and ceiling clearance.
Light generation
COB light source
The compact COB source affects color appearance and the light entering the downlight reflector. Select CCT and CRI for the model, then compare adjoining rooms under similar viewing conditions. Retain the sample and source specification for your commercial LED lighting installation. They give you a reference for repeating the selected appearance across connected spaces.
Light direction
Downlight reflector
The reflector directs light into the room and affects beam spread and brightness at oblique angles. Check spacing, sightlines, and reflective surfaces at the proposed ceiling height. Recessing the reflector controls downward light, but beam angle alone cannot establish glare performance. Assess the selected fitting in the layout where it will be used.
Heat path
Finned aluminum housing
Cooling fins transfer heat away from the source. Allow space above the recessed ceiling and follow specified clearances, including separation from insulation. The housing construction identifies the fitting. Thermal and lifetime performance in your ceiling conditions need the relevant data; neither result can be established from a photograph of the housing.
Working with VST
Meet VST and hear customer feedback
An introduction to VST and a customer perspective on working together.
The company behind your fixture order
Meet VST before discussing your building order. Identify the standard models needed for each room and any engineering changes. Evaluate those fittings using their product specifications and test documents alongside the company introduction.
Working together on a building order
Hear a customer view of working with VST. For your order, agree how engineering and sales will communicate room quantities and technical changes. Record those decisions so everyone uses the same project requirements.
Building applications
Lighting for five types of commercial space
Choose each fitting for the room task, mounting conditions, and exposure.
Office workrooms
Office workrooms need light on desks while screens remain readable. Check workstation positions, ceiling construction, and the control system. VST can compare downlights with lamp replacements and provide data for a layout that illuminates the working surfaces with fittings suited to each ceiling in the room schedule.
Retail showrooms
Retail displays may move, so directional fittings need to suit changing merchandise positions. Check the track system, coverage, and glossy reflections. Ask VST about suitable heads and aiming ranges before choosing quantities, allowing display lighting to follow later changes in the products and their arrangement.
Hotel corridors
Hotel corridors need light along the route without uncomfortable brightness near doors. Establish ceiling openings, sightlines, and controls. VST can compare recessed models and finishes, with mounting details recorded so the installation team can repeat the selected fittings consistently along the full corridor and adjoining doorways.
Indoor parking garages
Garages need visibility around columns and vehicle routes under conditions different from occupied rooms. Check fixing clearance, moisture, and switching before selecting battens. VST can identify protected linear models and provide electrical and protection data to assess their suitability for the actual garage installation conditions.
Business entrances
Business entrances need light on the pedestrian approach with fittings exposed to weather. Check bracket supports, aiming, and spill toward nearby windows. Send VST those details to compare published floodlights and optics for the facade and approach, keeping coverage within the area requiring illumination at night.
Your building schedule
Start with the room that needs attention first
Tell us how the building is used, the approximate fixture quantity, and destination. Send a room photo to your commercial LED lighting supplier to begin choosing fittings. Detailed drawings can follow once the mounting and installation requirements are clear.
Fixture documentation
Model specifications and installation requirements
Compare the published commercial LED lighting specifications, then check the instructions for the model you choose.
| Model | Power | Output / efficacy | Input (VAC, 50/60Hz) | IP |
|---|---|---|---|---|
| VST-SH50W-C | 50W | 6,500 lm | 180–240V | IP54 / IP65 optional |
| VST-SH60W-C | 60W | 7,800 lm | 180–240V | IP54 / IP65 optional |
| VST-SH70W-C | 70W | 9,100 lm | 180–240V | IP54 / IP65 optional |
| VST-SH80W-C | 80W | 10,400 lm | 180–240V | IP54 / IP65 optional |
| VST-SH100W-C | 100W | 13,000 lm | 180–240V | IP54 / IP65 optional |
| VST-SH120W-C | 120W | 15,600 lm | 180–240V | IP54 / IP65 optional |
| VST-SH150W-C | 150W | 19,500 lm | 180–240V | IP54 / IP65 optional |
| VST-DL-90W-RRA046 | 90W | 8000 lm | 200–240V | IP42 |
| VST-DL-72W-RRA046 | 72W | 7000 lm | 200–240V | IP42 |
| VST-DL-52W-RRA046 | 52W | 5500 lm | 200–240V | IP42 |
| VST-DL-42W-RRA046 | 42W | 4300 lm | 200–240V | IP42 |
| VST-DL-32W-RRA046 | 32W | 3500 lm | 200–240V | IP42 |
| VST-DL-20W-RRA046 | 20W | 2400 lm | 200–240V | IP42 |
| VST-DL-15W-RRA046 | 15W | 1500 lm | 200–240V | IP42 |
| VST-DL-10W-RRA043 | 10W | 1100 lm | 200–240V | IP42 |
| VST-DL-8W-RRA044 | 8W | 850 lm | 200–240V | IP42 |
| Model | Power | Output / efficacy | Input (VAC, 50/60Hz) | IP |
|---|---|---|---|---|
| VST-TL-15W-SR08 | 15W | 1500 lm | 200–240V | IP20 |
| VST-TL-20W-SR08 | 20W | 2000 lm | 200–240V | IP20 |
| VST-TL-30W-SR09 | 30W | 3000 lm | 200–240V | IP20 |
| VST-TL-35W-SR09 | 35W | 3500 lm | 200–240V | IP20 |
| VST-TL-40W-SR09 | 40W | 3600 lm | 200–240V | IP20 |
| VST-TL-15W-SR05 | 15W | 1600 lm | 200–240V | IP20 |
| VST-TL-20W-SR05 | 20W | 2400 lm | 200–240V | IP20 |
| VST-TL-30W-SR05 | 30W | 3400 lm | 200–240V | IP20 |
| VST-TL-35W-SR05 | 35W | 4200 lm | 200–240V | IP20 |
| VST-TL-40W-SR05 | 40W | 4600 lm | 200–240V | IP20 |
| VST-TL-50W-SR05 | 50W | 5500 lm | 200–240V | IP20 |
| Model T5 | Power | Efficacy | Input |
|---|---|---|---|
| VST-T5-1500-30W | 30W | 150lm/w | AC85V-265V 50/60Hz |
| VST-T5-1500-25W | 25W | 150lm/w | AC85V-265V 50/60Hz |
| VST-T5-1200-22W | 22W | 150lm/w | AC85V-265V 50/60Hz |
| VST-T5-1200-18W | 18W | 150lm/w | AC85V-265V 50/60Hz |
| VST-T5-900-15W | 15W | 150lm/w | AC85V-265V 50/60Hz |
| VST-T5-600-10W | 10W | 150lm/w | AC85V-265V 50/60Hz |
| Model T8 | Power | Efficacy | Input |
|---|---|---|---|
| VST-T8-2400-36W | 36W | 150lm/w | AC85V-265V 50/60Hz |
| VST-T8-1500-22W | 22W | 150lm/w | AC85V-265V 50/60Hz |
| VST-T8-1200-18W | 18W | 150lm/w | AC85V-265V 50/60Hz |
| VST-T8-970-15W | 15W | 150lm/w | AC85V-265V 50/60Hz |
| VST-T8-900-14W | 14W | 150lm/w | AC85V-265V 50/60Hz |
| VST-T8-600-10W | 10W | 150lm/w | AC85V-265V 50/60Hz |
| VST-T8-450-7W | 7W | 150lm/w | AC85V-265V 50/60Hz |
| Model | Power | Output / efficacy | Input (VAC, 50/60Hz) | IP |
|---|---|---|---|---|
| VST-STF-60-20W | 20W | 2,600 lm | 220–240V/100–277V | IP65 / IP66 |
| VST-STF-120-40W | 40W | 5,200 lm | 220–240V/100–277V | IP65 / IP66 |
| VST-STF-150-50W | 50W | 6,500 lm | 220–240V/100–277V | IP65 / IP66 |
Specify the finish, CCT, driver interface, labels, and packing for each fixture. Explain how the change affects your ceiling or controller so VST can quote the required version. Mechanical development may need different components.
VST checks materials on arrival, during assembly, at final inspection, and before dispatch. Keep the selected models and options identified for each room. Agree the sample measurements and inspection points needed for the order.
Have a qualified electrician isolate the circuit and check the supply, control conductors, and mounting. For tube conversions, follow the selected model’s wiring instructions. Test switching and dimming in one room before repeating the installation.
Cooperation feedback
Feedback on building packages
Comments on the practical details of working with VST.
Order planning
Commercial terms for a building lighting package
Plan the building package by model and release phase.
Yes. Select representative samples to check ceilings and controls. Agree whether their charges can be credited to a later bulk purchase, and establish those terms before the trial. Samples are not automatically free or refundable.
Minimums depend on the model. Lower-value fixtures may start around 100 pieces; higher-value products may use smaller quantities. Request the minimum for each fitting in the room schedule, rather than one combined building quantity.
Regular production typically takes 2 to 3 weeks. Allow 3 to 4 weeks for light customization or 4 to 6 weeks for extensive changes. Add transport time. The final schedule depends on quantity, materials, and configuration.
Yes. VST supports private labels and custom packaging. Send the artwork and room references for the cartons. If a mechanical change needs tooling, identify its charge separately from the cost of ordinary labels or packaging in the quotation.
Pay 100% in advance for samples by PayPal, Western Union, or bank transfer. Bulk orders use bank transfer with a 30% deposit and the other 70% paid before shipment. Record the terms on the building order.
Use the selected model’s warranty, generally a 3- or 5-year option for regular fixtures. Report a quality issue with a short description and photos or video. Contact VST about replacements sent separately or included in the next shipment.
Before choosing fittings
Questions before selecting your commercial LED lighting
Check controls, installation details, and market documents when shortlisting commercial LED lighting. Calculate running costs from the proposed fixture schedule, using the operating assumptions for your building. Settle these requirements before defining the configuration to order.
Yes. Send the room use, a ceiling photo, approximate quantities, and destination. If existing fittings will remain, include holder or mounting details. A complete plan is useful later when the layout needs calculated spacing and installation positions.
Choose the controls that suit the room and selected driver.
| Situation | Decision |
|---|---|
| Existing wall dimmer | Check the driver and dimmer compatibility |
| Central lighting control | Match the required communication interface |
| Simple switched circuit | Select the appropriate non-dimming configuration |
Record the control choice in the fixture schedule. Check the actual driver against the existing controller, including low-level dimming behavior. Fittings from different families may behave differently even where both are described as dimmable.
No. Uneven light caused by spacing or obstructions may remain after a lamp change. Check the task surfaces and fixture positions first. If the room layout has changed, consider whether moving or replacing fittings would address the problem.
Request documents for the destination and selected model, including its driver and controls. Check certification scope and installation instructions. A company-level mark cannot establish approval for every modified fitting or electrical option.
Yes. Use the existing and proposed power, operating hours, tariff, controls, and installation costs. Record the assumptions with the fixture schedule. Calculate the result for your building rather than apply a generic savings percentage.