Upgrade office and commercial lighting with Radiance 174, a UK-made, LG7-compliant continuous direct/indirect LED linear system.
Designed for architects and facility managers, this high-efficacy modular lighting solution delivers a seamless, homogenous lightline with a 75:25 up/down output ratio—perfect for offices, schools, and healthcare spaces.
Featuring Tridonic-powered LEDs, low-glare prismatic optics, and DALI dimming compatibility, the Radiance 174 ensures energy efficiency, visual comfort, and effortless installation with plug-and-play connectivity.
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LG7-Compliant | Direct/Indirect Lighting | 75:25 Output Ratio | UK-Made & Sustainable
The Radiance 174 Series is a high-performance modular LED lightline system designed to deliver continuous, low-glare, direct/indirect illumination for commercial, educational and healthcare environments.
Powered by Tridonic LED technology, the system offers a 75:25 upward/downward light ratio and output flexibility across three lengths.
LG7-compliant optics, smart control options and sustainable UK manufacturing make Radiance 174 the preferred choice for specifiers demanding energy efficiency and design precision.
Seamless Lightline Design: Mechanical joining kits and through-wiring enable continuous runs without dark gaps.
LG7 Compliance: Optional prismatic optic (/LG) provides low-glare lighting in screen-heavy workplaces.
Balanced Direct/Indirect Output: 75% uplight, 25% downlight split delivers ambient and task illumination in one system.
High Efficacy: Up to 130 lm/W (model 174.006) with energy-saving output modes for varied room types.
Output Flexibility: Choose standard, /LO or /HO modes to match required light levels—from 1 550 lm to 7 375 lm.
UK-Made & Sustainable: Built in the UK using 98% recyclable materials with standard RAL 9006 grey finish.
Longevity & Performance: Rated to >72 000 hours (L80/F10) and backed by a 5-year warranty.
Smart Building Ready: Compatible with DALI, SwitchDIM, DSI (/ECO) and emergency options for full integration.
| Model | Length | CCT | Standard Output | /LO Output | /HO Output |
|---|---|---|---|---|---|
| 174.001 | 850 mm | 830 | 2 300 lm | 1 550 lm | 3 650 lm |
| 174.002 | 850 mm | 840 | 2 400 lm | 1 625 lm | 3 825 lm |
| 174.003 | 1.2 m | 830 | 3 450 lm | 2 325 lm | 5 475 lm |
| 174.004 | 1.2 m | 840 | 3 600 lm | 2 450 lm | 5 725 lm |
| 174.005 | 1.5 m | 830 | 4 450 lm | 3 000 lm | 7 050 lm |
| 174.006 | 1.5 m | 840 | 4 650 lm | 3 150 lm | 7 375 lm |
| Additional Specs | Details |
|---|---|
| Light Distribution | 75% uplight / 25% downlight |
| Lifetime | >72 000 hours (L80/F10) |
| Compliance | UKCA, ETL, LG7, BS EN 60598-1 |
| Finish | RAL 9006 grey as standard (others optional) |
| Warranty | 5 years |
| Category | Code | Description |
|---|---|---|
| Body Colour | /WH | White body (RAL 9016) |
| /BK | Black body (RAL 9005) | |
| Custom | Bespoke RAL finishes on request | |
| Optics & Output | /LO | Lower output setting for energy-saving spaces |
| /HO | Higher output for bright, open-plan environments | |
| /LG | Low-glare prismatic lens for LG7 compliance | |
| End Cap Options | /SE | Start/end sections with integrated finishing caps |
| Controls & Safety | /ECO | SwitchDIM, DALI or DSI control |
| /EMI | 3-hour maintained emergency conversion (excl. 174.001/.002) |
| Accessory | Description |
|---|---|
| 2 m Suspension Kit | Pre-assembled wires for ceiling mounting |
| PT001 | Diffuser removal tool for easy maintenance |
Offices: Low-glare lighting for LG7-compliant VDU workspaces
Educational Facilities: Robust, flicker-free lighting for classrooms and lecture halls
Healthcare Environments: Balanced illumination for corridors, clinics and waiting areas
Reception Areas: Clean aesthetic and soft uplight for welcoming lobbies
Open-Plan Spaces: High-output modes deliver efficient, uniform coverage
Libraries & Public Buildings: Modular, low-maintenance design ideal for long runs
Homogenous Illumination: Eliminates dark spots for continuous ceiling washes
Easy Installation: Plug-and-play setup with mechanical joins for quick linking
Smart Building Integration: DALI-2 and wireless ready for dynamic scene setting
Sustainable Build: 98% recyclable construction supports green procurement goals
Design Flexibility: Available in 850 mm, 1.2 m, and 1.5 m lengths to suit any layout
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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.
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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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