Sustainable lighting
June 23, 2025
The Natura 125 LED Downlight is an elegantly designed back-lit light box that delivers high-quality illumination with minimal visual impact.
Featuring a 244 x 244 mm bezel and a cut-out of 220 x 220 mm, this downlight is ideal for various applications where both aesthetics and functionality are paramount.
Equipped with a high transmission acrylic diffuser, the Natura 125 ensures uniform light distribution, creating a soft and inviting atmosphere.
The ultra-thin bezel design enhances the overall appearance, making it a seamless addition to any space. With outputs of up to 2225 lumens and an impressive efficacy, this downlight provides efficient lighting while maintaining energy savings.
📄 Download Datasheet
📄 Installation Guide
📄 Photometric Data
📄 Bim File
Low-profile recessed LED panel with DALI & emergency options, optimised for commercial and educational interiors
The Natura 125 Series is a high-performance LED light box developed specifically for office ceilings, classrooms, and university environments.
With its compact 244 × 244 mm footprint, high-efficiency output and IP54 protection, it delivers long-lasting performance and energy savings in demanding institutional spaces.
Engineered around a Tridonic CLE module and driver system, the Natura 125 provides uniform, low-glare illumination through a high-transmission acrylic diffuser—ensuring comfortable working and learning environments. It features an ultra-slim bezel and low profile height (<100 mm), making it ideal for installation into shallow ceiling voids in commercial offices, teaching blocks, lecture theatres, and corridor ceilings.
The range includes multiple lumen packages and CCTs, control options such as DALI, SwitchDIM, and Casambi wireless, as well as remote-indicator emergency versions. Fully compliant with UKCA and Ecodesign regulations, and manufactured in the UK.
Compact & Discreet Design: Ultra-slim 244 mm square bezel and height under 100 mm
Tridonic Engine: Professional-grade CLE module and driver for proven reliability
IP54 Ingress Protection: Suitable for use in dusty or slightly damp environments
High Transmission Diffuser: Uniform, glare-free light ideal for screen-based work
Range of Outputs: Up to 2,225 lumens for general lighting in offices and classrooms
Energy Efficient: Efficacy up to 114 llm/tcW reduces running costs
DALI & Wireless Control: Compatible with SwitchDIM, DALI, DSI and Casambi systems
Emergency Ready: Available with standard, self-test, or wireless EM options
Long Life: L80/F10 rated >72,000 hours to reduce maintenance disruptions
UK Manufacturing: Built in Britain with 5-year warranty and local compliance
| Specification | Details |
|---|---|
| Cut-out Size | 220 × 220 mm |
| Bezel Size | 244 × 244 mm |
| Height | <100 mm |
| Output Range | 700–2,225 lumens |
| Power Consumption | 7W–20.5W |
| Colour Temperatures | 3000K / 4000K |
| Luminous Efficacy | Up to 114 llm/tcW |
| Diffuser Type | High-transmission opal acrylic |
| IP Rating | IP54 |
| Light Source Lifetime | >72,000 hours (L80/F10) |
| Construction | Back-lit module, white RAL 9010 finish |
| Compliance | UKCA, CE, Ecodesign |
| Option Type | Code Suffix | Description |
|---|---|---|
| DALI / SwitchDIM / DSI | /ECO | Intelligent control systems with dimming |
| Wireless Mesh Control | /BTC | Casambi app-based Bluetooth network |
| Emergency – Basic | /EM | Remote-indicator emergency lighting |
| Emergency – DALI | /EMD | Addressable DALI self-test emergency |
| Emergency – Wireless | /EMM | Mesh-based wireless emergency module |
| Model Ref | Output (lm) | CCT | Power (tcW) | Efficacy (llm/tcW) |
|---|---|---|---|---|
| 125.001 | 700 | 3000K | 7.0W | 100 |
| 125.002 | 725 | 4000K | 7.0W | 104 |
| 125.003 | 1125 | 3000K | 10.5W | 107 |
| 125.004 | 1175 | 4000K | 10.5W | 112 |
| 125.005 | 1525 | 3000K | 14.0W | 109 |
| 125.006 | 1600 | 4000K | 14.0W | 114 |
| 125.007 | 2100 | 3000K | 20.5W | 102 |
| 125.008 | 2225 | 4000K | 20.5W | 109 |
Add suffixes for control, emergency, or custom options (e.g. 125.004/ECO/EMM).
Open-plan office ceilings and task-based working areas
University lecture theatres and learning zones
School classrooms, corridors, and staff rooms
Admin offices and breakout spaces in education settings
Meeting rooms and training suites
Library and research study areas
Further education colleges and sixth-form centres
Visual Comfort: Excellent uniformity and low glare for reading and screens
Energy Savings: Low wattage, high-output design for reduced consumption
Fast Installation: Compact size with standard cut-out fits existing grids
Smart Integration: Compatible with BMS, DALI and wireless systems
Sustainability: Ecodesign compliant and recyclable construction
📄 Download Datasheet
📄 Installation Guide
📄 Photometric Data
📄 Bim File
Yes, all of our luminaires are available with dimmable LED drivers.
Mains Dimming (/MDIM): This allows dimming through standard phase-cut dimmers.
SwitchDIM, DALI, or DSI (/ECO): These options provide compatibility with SwitchDIM, Digital Addressable Lighting Interface (DALI), or Digital Serial Interface (DSI) systems for more advanced lighting control.
Casambi Wireless Network (/BTC): This enables wireless dimming and control via the Casambi platform, offering flexibility and ease of use.
Yes, we offer a comprehensive range of emergency lighting solutions to ensure safety and compliance with UK regulations. Our offerings include:
Our lighting solutions utilise the latest LED technology to maximise energy efficiency, helping to reduce energy consumption and lower operational costs.
Yes, all Lumenloop luminaires are supplied with compatible drivers to ensure optimal functionality and straightforward installation. We use premium driver brands like Tridonic and Philips to ensure they have long life expectancies.
All our products are proudly designed and manufactured in the UK, ensuring the highest quality standards.
Yes, we work closely with clients to develop bespoke lighting solutions tailored to their specific needs and design requirements.
Just reach out to us at info@lumenloop.co.uk
Our products are designed for various environments, with IP ratings from IP20 for indoor applications to IP65 for harsher conditions such as outdoor or industrial spaces.
Yes, as a WEEE-certified member of Recolight, we offer free recycling services for old lighting fixtures to support sustainable waste management.
Yes, many of our luminaires incorporate recycled components, supporting our commitment to sustainable manufacturing. Look out for the ‘98% recycled‘ product icon for those luminaires that are mostly made from recycled materials.
Yes, our luminaires are designed to integrate seamlessly into retrofit projects, making it easy to upgrade existing lighting systems with minimal disruption.
Lumenloop’s emergency lighting solutions are designed to fit a wide variety of installations, making them ideal for retrofit projects of all types.
Yes, Lumenloop luminaires are available in a wide range of colours and finishes to suit diverse design needs.
Most of our luminaires are customizable with a variety of RAL colour options, allowing you to match your lighting seamlessly with your interior decor or branding requirements.
This includes (but is not limited to) popular finishes such as RAL9010 (Pure White), RAL9003 (Signal White), RAL9005 (Jet Black), and RAL9016 (Traffic White), among many others.
We offer options that cater to both standard and bespoke requirements, ensuring that no matter the space, you can achieve the perfect lighting aesthetic while maintaining functionality. This flexibility in colour and finish makes our luminaires ideal for a variety of applications, from commercial spaces to more design-sensitive environments.
Yes, Lumenloop luminaires can be easily integrated with smart systems for enhanced control and flexibility.
Our products support a variety of popular smart lighting technologies, including Casambi, which allows for wireless control via Bluetooth. This means you can adjust light levels, set scenes, and even schedule lighting events directly from your mobile device or through a central system.
Additionally, our luminaires are compatible with other smart control systems such as DALI (Digital Addressable Lighting Interface), DSI (Digital Serial Interface), and SwitchDIM. These options provide versatile, scalable control for a range of environments, ensuring that Lumenloop luminaires can fit into your existing smart building infrastructure seamlessly.
Yes, Lumenloop products are fully compliant with both UK and EU safety standards, ensuring reliable and safe lighting solutions for a wide range of applications.
Lumenloop luminaires comply to regulations, including the BS EN 60598-1 standard for general requirements for luminaires, as well as specific standards for emergency lighting.
We ensure that our emergency lighting systems undergo rigorous testing to meet the requirements of the latest emergency lighting regulations, including the necessary duration for emergency operation and testing protocols, providing peace of mind for both users and regulatory bodies.
Yes, Lumenloop offers refurbishment services for older light fittings, helping to extend their lifespan and improve energy efficiency.
Our ‘UK Renew & Reuse’ workshop can upgrade your existing luminaires with the latest technology, such as LED retrofitting, modern dimming controls, and energy-efficient drivers, to ensure compliance with current standards and enhance performance.
We understand the value of your existing installations and offer bespoke solutions to suit your specific requirements.
Yes, Lumenloop’s industrial range of luminaires are built to withstand demanding environments, including high-moisture and high-heat settings.
Many of our products are designed with robust construction and high-quality materials that ensure reliability and durability in challenging conditions.
Office Address:
Lumenloop Ltd,
4th Floor, Silverstream House,
45 Fitzroy Street, Fitzrovia,
London, W1T 6EB
Trading Address:
Unit 7 Wheatcroft Business Park,
Landmere Lane, Edwalton,
Nottingham NG12 4DG
WEEE number: WEE/MM7667AA
Company Reg: 15919840
VAT Number: 476833842
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