The Domus PANEL-BLT-606 is a 600 600mm backlit LEDpanel 35W, tri-colour switchable,IP20, with a harmonic filter for flicker-free operation, inTrio or DALI.

One panel, four ways to mount it

• The surface-frame option is the one worth knowing about. A concrete soffitor a slab ceiling has no void to recess into, and the usual answer is a differentfitting entirely. Here the same panel becomes a surface oyster, and Domus specificallynotes the frame has room for the driver which is the detail that usuallydefeats surface-mounting a panel.
• That flexibility has a practical value on a refurbishment: one productcode can serve a grid ceiling in one area and a concrete soffit in another, with the same appearance andthe same lamp life.
• The frames and plaster kits are separate items, and no part numbers arepublished on the listing. Tell us which mounting you need and we will quote the rightaccessory with it.

A depth figure worth questioning

This panel publishes a height of 32mm; its 300 600 sibling publishes10mm. For a BACKLIT panel where the LEDs sit across the whole back and needroom to blend before the diffuser 10mm is very thin, and 32mm is normal. Our reading is that the 10mm on the sibling describes the trim or diffuser rather than thefitting depth. Offered as reasoning, not fact but it matters,because the recess depth is what a plaster kit has to accommodate. Confirm the depthwith us before the ceiling is set out.

The flicker filter, and why it is worth more than it used to be

Domus fits a harmonic filter to reduce total harmonic distortion, and so flicker andstrobing. The stated benefit is on camera: standard drivers that are notflicker-free produce a rolling band effect in video recordings, which thisremoves. In a room that hosts video calls or recordings which is now mostmeeting rooms that is a real specification point rather than a marketing line. No flicker percentage or frequency is published, so it is a claim without anumber.

dimmable=No, and a DALI variant

Trio and DALI variants are both sold; the dimmable field says No. DALI is a dimming protocol. The field almost certainly describes the Triovariant only. Confirm which you are ordering it decides whether the ceilingneeds a control cable.

The published specification

Where it works

• Open-plan offices on a 600 600 grid.
• Concrete soffits using the surface frame.
• Meeting rooms used for video the flicker filter.
• Not in wet areas IP20.
• Not recessed until the depth is confirmed.

Specifying it

600 600mm backlit LED panel troffer, 595 595mm, 32mm deep. 35W at220240V. Tri-colour 3000 / 4000 / 5700K, DIP switch on the cable. IP20. White frame, opaldiffuser. Harmonic filter, flicker-free. Trio or DALI. 3-year warranty. FOUR MOUNTING METHODS FROM ONE FITTING drops into a T-bar grid, recesses into plasterboard witha kit, mounts on the surface as an oyster with room for the driver, or hangs on suspension wires. THESURFACE FRAME IS THE ONE WORTH KNOWING: a concrete soffit has no void, and this is the detail that usuallydefeats surface-mounting a panel. The frames and kits are separate and no part numbers are published tell us the mounting and we will quote it.

Supplied and supported by Lights For You.

Questions

How many ways can I mount it?

Four. It drops straight into a T-bar grid with no accessory. With a plaster kit it recesses flush into plasterboard. With a surface frame it becomes an oyster on the ceiling face. And with suspension wires it hangs as a pendant. That is unusually versatile for a panel, and it is buried in a paragraph most people skip.

Which of those is most useful?

The surface frame. A concrete soffit or slab ceiling has no void to recess into, and the usual answer is a different fitting entirely but here the same panel becomes a surface oyster, and Domus specifically notes the frame has room for the driver, which is the detail that usually defeats surface-mounting a panel. On a refurbishment that means one product code can serve a grid ceiling in one area and a concrete soffit in another.

Do the frames and kits come with it?

No, they are separate items, and no part numbers are published on the listing. Tell us which mounting method you need and we will quote the right accessory alongside the panel so nothing arrives without its partner.

How deep is it?

32mm published. Worth noting that its 300 x 600 sibling publishes 10mm, which for a backlit panel where the LEDs sit across the whole back and need room to blend before the diffuser is very thin, while 32mm is normal. Our reading is that the 10mm describes the trim or diffuser rather than the fitting depth. That is reasoning rather than fact, and it matters because the recess depth is what a plaster kit has to accommodate. Confirm with us before the ceiling is set out.

What does the harmonic filter do?

It reduces total harmonic distortion, and with it flicker and strobing. The stated benefit is on camera: drivers that are not flicker-free produce a rolling band effect in video recordings, which this removes. In a room that hosts video calls now most meeting rooms that is a real specification point rather than a marketing line. No flicker percentage or frequency is published, so it is a claim without a number attached.

Can I dim it?

Depending on the variant. Trio and DALI variants are both sold while the dimmable field says “No”, and DALI is a dimming protocol so the field almost certainly describes the Trio variant only. Confirm which you are ordering, because it decides whether the ceiling needs a control cable run to each fitting.

How much light does it give?

No lumen figure is published for this size. Its 300 x 600 sibling publishes 2200 to 2350 lumens from 25W, which is 88 to 94 lumens per watt applying the same efficacy to 35W suggests roughly 3100 to 3300 lumens here. That is an inference from the family rather than a published figure; ask us and we will get the real number.