Domus Lighting Backlit Panel Domus PANEL-BLT-303 Backlit Panel Troffer Light
Domus Lighting Backlit Panel Domus PANEL-BLT-303 Backlit Panel Troffer Light
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Domus Lighting
SKU: 17615

Domus PANEL-BLT-303 Backlit Panel Troffer Light

3 Years Warranty
3 Years Warranty
IP20 – perfect for indoor use
IP20 – perfect for indoor use
Color Temprature Changing Technology
Color Temprature Changing Technology
Medium brightness
900 lm Learn More!!
$47.00
$76.02
$47.00
Product Description  
Product Description
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The Domus PANEL-BLT-303 is a 300 × 300 mm backlit LED panel for grid and plasterboard ceilings, with a flicker-free driver and switchable 3000 K / 4000 K / 5700 K, in Trio (dip switch) or DALI.

⚠ Two figures on this listing disagree with the datasheet, and we would rather tell you than pick one.

This listing Datasheet
Power 12 W 10 W
Output at 3000 K 900 lm 860 lm
Output at 4000 K 1,000 lm 1,000 lm ✅
Output at 5700 K 1,100 lm 1,100 lm ✅

The 4000 K and 5700 K figures match exactly, so this is two specific numbers out of step, not two different products. If the wattage matters to your job — an energy calculation, a circuit schedule, a lighting design — ask us and we will confirm it with Domus in writing. For choosing a light for a room, treat it as a ~10–12 W panel giving about 1,000 lumens.

Backlit, and why it is not the same as an edge-lit panel
  • The LEDs sit behind the diffuser across the whole area, rather than around the rim firing sideways into a light guide.
  • ✅ The face lights evenly right to the edges — no dimmer corners, no faint banding, and no yellowing light guide in five years.
  • ✅ It is more efficient, because the light does not have to travel across a panel before it escapes.
  • ⚠ It is slightly deeper at 32 mm. In a grid ceiling that is irrelevant; in a shallow plasterboard void, check it.
⚠ Trio or DALI — and a question to settle before you order the DALI
  • Trio — colour temperature set by a dip switch on the cable, before installation. The residential and small-commercial choice.
  • DALI — addressable digital control, for a building with a lighting control system. Each fitting has an address and can be commanded individually.
  • ⛔ Our record says this fitting is not dimmable, and it also lists a DALI variant. Those two statements cannot both be right — DALI exists to dim and address fittings digitally. If you are specifying the DALI version into a control system, confirm the dimming behaviour with us first.
  • ⚠ Only the Trio variant appears in the datasheet's own item table, so the DALI version's figures are not independently confirmed here.
The flicker-free driver

Domus fits a harmonic filter to reduce total harmonic distortion, which is what causes visible strobing and the headaches and eye strain some people get under cheap LED panels.

  • ✅ It matters most where people sit under it all day — an office, a classroom, a study — and where cameras are used, because flicker shows as banding on video.
  • ✅ It is a genuine specification difference, not a marketing line: standard LED drivers that are not flicker-free are the reason panel lighting has the reputation it does.
Mounting — three ways
  • Straight into a standard T-bar grid ceiling in place of a 300 mm tile. No extra parts.
  • Plasterboard, with an optional plaster trim kit.
  • Surface mounted or wire suspended, with the optional kit, where the ceiling cannot be cut.
  • ⚠ Three mounting methods, three different optional parts. Tell us the ceiling and we will list what you need.
Where it works
  • ✅ Offices, classrooms and studies — flicker-free matters where people sit under it.
  • ✅ Grid ceilings in commercial fit-outs.
  • ✅ Kitchens, laundries and hallways at home, with the plaster trim kit.
  • ⛔ IP20 — dry interiors only.
  • ⛔ Not dimmable on the Trio; confirm the DALI's behaviour with us.
  • ⚠ Confirm the wattage with us if it feeds an energy calculation.
Specifying it

295 × 295 × 32 mm backlit LED panel for a 300 mm grid module. ⚠ Power: this listing says 12 W, the datasheet says 10 W — confirm with us if it matters. Output ~860–900 lm (3000 K), 1,000 lm (4000 K), 1,100 lm (5700 K), switchable. High-efficiency SMD, CRI ≥80, 40,000 hrs. Flicker-free driver with a harmonic filter. 240 V AC, IP20. White frame, opal diffuser. Trio (dip switch) or DALI. ⛔ The record says not dimmable while offering a DALI variant — confirm before specifying into a control system. Recessed into a grid ceiling, or plasterboard / surface / suspended with optional kits. Warranty 3 years.

Supplied and supported by Lights For You.

Questions
Is it 10 W or 12 W?

The title and our record say 12 W and the datasheet says 10 W, and we are not going to quietly pick one. The lumen figures make it clear this is a numbers problem rather than two different products: the 4000 K and 5700 K outputs match the datasheet exactly and only the 3000 K figure differs. If the wattage feeds an energy calculation or a circuit schedule, ask us and we will confirm it with Domus in writing.

What is the difference between backlit and edge-lit?

Where the LEDs sit. In a backlit panel they are behind the diffuser across the whole area; in an edge-lit panel they are around the rim, firing sideways into a light guide. Backlit lights evenly right to the edges with no dimmer corners or faint banding, is more efficient because the light does not travel across the panel before escaping, and has no light guide to yellow over time. The trade-off is 32 mm of depth instead of about half that.

Should I get the Trio or the DALI version?

Trio for a home or a small commercial job — the colour temperature is set with a dip switch on the cable before installation and there is nothing else to configure. DALI only if the building has a digital lighting control system, where each fitting gets an address and can be commanded individually. If you are specifying the DALI version, talk to us first: our record says the fitting is not dimmable while also offering DALI, and those two statements cannot both be right.

What does "flicker-free" actually mean here?

Domus fits a harmonic filter that reduces total harmonic distortion, which is the cause of visible strobing and of the eye strain and headaches some people get under cheap LED panels. It matters most where people sit under the light all day — offices, classrooms, studies — and where cameras are used, because flicker shows up as banding on video.

How does it mount?

Three ways. It drops straight into a standard T-bar grid ceiling in place of a 300 mm tile with no extra parts. It goes into plasterboard with an optional plaster trim kit. And it can be surface mounted or wire suspended with another optional kit where the ceiling cannot be cut. Three methods, three different parts — tell us the ceiling and we will list what you need.

Can it go in a bathroom?

No. It is IP20, which is dry interiors only. For a bathroom ceiling you want something rated at least IP44, and we can point you to one.

Is a 300 × 300 panel bright enough for a room?

About 1,000 lumens covers a small area — a hallway, a laundry, a WC, a small office — or works as one of several in a larger grid ceiling. For a kitchen or a full-size office you would use several, or step up to a larger panel. Tell us the room and we will work out the count.

Product Specifications  
Product Specifications
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Specifications

BrandDomus Lighting
Model / SKUsPANEL-BLT-303 — 17615 (Trio) · 21645 (DALI)
Panel size295 × 295 × 32mm — fits a 300mm grid module
Wattage⛔ Listing says 12W, datasheet says 10W — confirm with us if it matters
Lumen Output⚠ ~860–900lm @3000K (sources differ) · 1,000lm @4000K · 1,100lm @5700K
Colour Temperature3000K / 4000K / 5700K — switchable (Trio dip switch)
ControlTrio (dip switch) or DALI addressable
Dimming⛔ Record says not dimmable while offering DALI — confirm before specifying
Driver✅ Flicker-free, with a harmonic filter to reduce THD
LED TypeHigh-efficiency SMD, backlit (not edge-lit)
Colour RenderingCRI ≥80
IP RatingIP20 — dry interiors only
MountingT-bar grid · plasterboard (trim kit) · surface or suspended (kit)
Voltage220–240V AC
Lifespan40,000hrs
FinishWhite frame, opal diffuser
Warranty3 Years

Variant specifications

VariantColour controlSuits
17615 TrioDip switch on the cable, set before installHomes, small commercial
21645 DALIAddressable digital control⚠ Buildings with a DALI system — confirm dimming with us
Data Sheet & Manual  
Data Sheet & Manual
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Download Datasheet (PDF)

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Download Datasheet (PDF)

Warranties, Return & Refund Policy  
Warranties, Return & Refund Policy
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Warranties

For all warranty claims please ensure you have your proof of purchase at hand, an invoice from your electrician from the installation and check the faulty product is within the applicable warranty period. Warranty is replacement only.

Lights For You is not responsible for damages caused by unprofessional installation, modified products or manipulated by the customer or by any other person not authorised by the manufacturer; as well as by improper use, manipulation and/or short circuits, apparent signs of improper treatment.

Faulty items: lodge warranty directly with the brand (manufacturer). Keep proof of purchase.

Damaged or Missing Items

Notification of any damages or missing items must be received by Lights For You within seven (7) days of receipt of the product. Please email photos to ashfield@lightsforyou.com.au.

If the product is to be repaired or replaced, it must correspond to the one originally sent by Lights For You and the customer must include the delivery note and/or invoice.

Returns

Change of Mind Returns

  • Customers who wish to return a product due to a change of mind or cancelled order may do so within thirty (30) days of receipt.
  • The customer is responsible for the shipping costs for a change of mind return, irrespective of any free, discounted or any other type of shipping promotion that may have been applicable at the time of your order. This includes any costs you incur for us shipping the product to you in the first place and the cost of shipping the product back to us.

Lodge a Return

You must lodge a return request via the below request form.

Excluded from Change of Mind

  • Clearance items
  • Discontinued items
  • Globes
  • Custom items
  • Made to Order (incl. custom cut profiles & LED strips)
  • Lamp shades
  • T4 fluorescent tubes
  • Gift cards

Credits will be issued in the form of store credit or gift voucher and will be equal to the price paid for the product minus the cost of shipping. Store credit vouchers are valid for six months from the date of issuance.

Our Rights

We reserve the right to refuse a return in cases where we cannot be reasonably satisfied that you purchased the product from us or where we are not responsible for the damage in accordance with our Faults & damages policy.

Cancellations

Customers who wish to cancel all or part of an order due to change of mind or incorrectly ordered may do subject to cancelling in within 12 hours, during business hours from time of purchase. Once products have been shipped, you cannot cancel them.

Your Options

  • Restocking fee: 20% will apply unless otherwise stated, or unless another order of equal or greater value is placed in lieu of this re-stocking fee.
  • Credit: will be issued in the form of store credit and will be equal to the price paid.

    Please refer to the following link to learn more about our policies

    Learn More

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