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Learn more by watching our Mercator Ikuu SMD4109W-RGB-ZB | 92mm Walter Downlight CCT | RGB | Zigbee video.
Additional related video.
Additional related video.
The Mercator Ikuu SMD4109W-RGB-ZB is a 9W smart LED downlight rated 240V AC, built for a 92mm ceiling cut-out and controlled over Zigbee. The SMD4109W-RGB-ZB delivers 740 lumens with full RGB colour and tuneable white from 3000K to 5700K, set through the Mercator Ikuü app. It carries an IP44 below-ceiling rating, is IC-4 rated for insulation contact, and is approved to AS/NZS standards.
Smart lighting upgrades often stall on cost and on downlights restricted to a single fixed colour temperature. The Walter SMD4109W-RGB-ZB communicates over Zigbee 3.0 with mesh networking, so each luminaire repeats the signal and extends coverage across a dwelling rather than depending on one marginal connection. Its tuneable white spanning 3000K to 5700K transitions an interior from a warm evening ambience to a crisp daytime correlated colour temperature. The 25mm recessed housing accommodates shallow ceiling cavities where deeper integrated fittings cannot be installed.
For electricians commissioning new residential builds, the Walter downlight terminates through a 1.9m flex and plug and consolidates into grouped circuits controlled from the application. The combined RGB and tuneable white output lets a single luminaire deliver task illumination, ambient scenes, and decorative colour, so one specification covers multiple lighting roles across a project. Installers undertaking smart-home retrofits frequently reorder in quantity once an initial zone is configured, because the Zigbee mesh architecture maintains a stable connection as the device population increases.
The SMD4109W-RGB-ZB is not rated for full weather exposure and should not be installed where it meets direct rain or sits below the ceiling line in wet zones. It will not dim from a standard wall dimmer, and it needs a compatible Zigbee hub before any control works.
Verified Sparky Direct customer reviews: Mercator Ikuu SMD4109W-RGB-ZB | 92mm Walter Downlight CCT | RGB | Zigbee (SMD4109W-RGB-ZB)
"Works perfectly with Z2M + Home Assistant" — Daniel
"Easy to install and setup." — Mark
"Connects with both my zigbee hubs effortlessly." — Patrick
(SMD4109W-RGB-ZB)
Installation of the SMD4109W-RGB-ZB must be carried out by a licensed electrician. The downlight fits a 92mm ceiling cut-out, sits 25mm deep, and connects to a surface socket through its 1.9m flex and plug. A certificate of compliance from the installer is needed for any warranty claim.
The Walter downlight runs on Zigbee and needs a Mercator Ikuü Zigbee hub before it will respond. The hub handles pairing and links the fitting to the Mercator Ikuü app, where colour, white temperature, dimming, schedules, and grouping are all set. Without a compatible Zigbee hub, the downlight cannot be operated.
Once paired through the Mercator Ikuü app, the SMD4109W-RGB-ZB is controlled from a phone or tablet, and through Amazon Alexa or Google Assistant for voice commands. Zigbee 3.0 mesh lets multiple downlights group together, so a whole room switches, dims, or changes colour at once.
The downlight runs full-colour RGB for scene and accent lighting, and a separate tuneable white mode from 3000K warm to 5700K cool for everyday lighting. Both modes are selected in the Mercator Ikuü app. RGB suits evening colour washes, while tuneable white covers task and ambient lighting through the day.
The Walter downlight is app-dimmable only and must not be wired to a separate wall dimmer. Dimming runs through the Mercator Ikuü app, which sets brightness levels, schedules, and scenes. Pairing it with an external dimmer falls outside the way the luminaire is designed to run and can damage the fitting.
The SMD4109W-RGB-ZB carries an IP44 below-ceiling rating, so the visible face resists splash and dust in covered spots such as eaves and alfresco ceilings. It is IC-4 rated, meaning ceiling insulation can sit directly against the fitting. It is not built for direct rain or fully exposed outdoor positions.
The integrated LED is rated to 30,000 hours of operation, reducing lamp changes over the life of the install. The Walter downlight carries a 3-year warranty from the invoice date. Mercator requires a certificate of compliance from the installing electrician to process a warranty claim.
The Mercator Ikuu SMD4109W-RGB-ZB is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.
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Warranty starts from Invoice Date
Domestic Use: 3 Year
Commercial Use: 3 Year
Warranty Method: This product is valid for 3 years warranty from the date of purchase. Mercator requires a copy of "certificate of compliance' from the installing electrician to complete the claim.
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | Mercator |
| SKU | SMD4109W-RGB-ZB |
| Model # | SMD4109W-RGB-ZB |
| Barcode # | 9312699205484 |
| Package Weight | 0.333kg |
| TYPE | VALUE |
|---|---|
| Type | Smart Automation |
| Brand | Mercator Ikuu |
| Range | Mercator Ikuu |
| Colour | White |
| Lumens (lm) | 740 |
| Estimated Lifetime | 30,000 hours |
| Lead Length | 1.9m |
| RGB | Yes |
| Colour Range (CCT) | Adjustable, 3000K to 5700K |
| Housing material | Aluminium |
| Max Load | 9W |
| Requirements | Mercator Ikuü zigbee hub |
| App Requirements | Mobile device running iOS or Android. (Refer to ikuu.com.au for minimum specs) |
| Wireless Frequency | 2.4GHz |
| Protocol | IEEE 802.15.4 |
| Protocol | IEEE 802.11 b/g/n |
| Product Type | Lighting |
| Beam Angle (Degrees) | 110 |
| Ceiling Depth (mm) | 25 |
| Technology | Zigbee |
| Supply Voltage | 240V AC 50HZ |
| Cutting Diameter (mm) | 92 |
| Warranty | 3 Yr (in Home) |
| IP Rating | IP44 below ceiling |
| CRI | > 80 |
| Diameter (mm) | 110 |
| Dimmable | Via the app |
Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.
Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.
Tools sold by Sparky Direct must be used safely and in accordance with the manufacturer’s instructions. Customers are responsible for ensuring they have the necessary knowledge and competence to operate any tool purchased. If you are unsure how to safely or correctly use a tool, do not use it and seek guidance from the manufacturer or a suitably qualified professional.
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