The Arc 166 Series is a high-performance adjustable mini linear LED downlight, featuring Samsung high-efficiency LEDs, a low-glare matt black baffle, and an ultra-slim bezel for precision lighting.
With Ra90 colour rendering, over 100 llm/tcW efficacy, and a lifespan exceeding 60,000 hours (L80/F50), it delivers outstanding performance and durability.
Available in multiple beam angles, colour temperatures, and smart control options—including DALI, Casambi wireless, and emergency lighting—the Arc 166 Series is ideal for commercial and architectural lighting applications.
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The Arc 166 Series is a high-end adjustable linear LED downlight, designed for precision lighting applications. Featuring Samsung high-power LEDs, an extruded aluminium super-fin heatsink, and a low-glare matt black baffle, this luminaire offers exceptional performance and durability.
With Ra90 high colour rendering, over 100 llm/tcW efficacy, and a lifespan exceeding 60,000 hours (L80/F50), the Arc 166 delivers outstanding efficiency and reliability. Available in multiple configurations, beam angles, and finishes, it is the perfect solution for commercial and architectural lighting projects.
✔ Adjustable mini linear downlight with ultra-slim bezel
✔ Samsung high-efficiency LEDs for superior performance
✔ Low-glare matt black baffle for visual comfort
✔ Ra90 colour rendering for high-quality illumination
✔ 30° medium beam lens as standard (10°, 15°, 50° options available)
✔ Long lifespan – >60,000 hours (L80/F50)
✔ Short circuit, overload, and temperature protection
✔ 500mm mains lead included
| Model Ref. | Configuration | Luminaire Output (lm) | Power (tcW) | Colour Temp (K) |
|---|---|---|---|---|
| 166.001/LO | 5x Light Modules | 525 | 7W | 3000K |
| 166.002/LO | 5x Light Modules | 525 | 7W | 4000K |
| 166.001 | 5x Light Modules | 1050 | 13W | 3000K |
| 166.002 | 5x Light Modules | 1050 | 13W | 4000K |
| 166.003/LO | 10x Light Modules | 1050 | 13W | 3000K |
| 166.004/LO | 10x Light Modules | 1050 | 13W | 4000K |
| 166.003 | 10x Light Modules | 2100 | 23W | 3000K |
| 166.004 | 10x Light Modules | 2100 | 23W | 4000K |
📌 Cut-out sizes:
• 183 x 70 mm (5x modules)
• 339 x 70 mm (10x modules)
📌 Fixture dimensions:
• 195 x 80 mm (5x modules)
• 349 x 80 mm (10x modules)
| Option Category | Suffix | Description |
|---|---|---|
| Baffle Colours | /WH | White Baffle |
| /GD | Gold Baffle | |
| Bezel Finishes | /BK | Black Bezel (RAL9005) |
| /GY | Grey Bezel (RAL9006) | |
| Beam Angles | /SNB | 10° Super Narrow Beam Lens |
| /NB | 15° Narrow Beam Lens | |
| /WB | 50° Wide Beam Lens | |
| Control Options | /T+DALI | Digital Addressable Lighting Interface (DALI) |
| /BTC | Casambi Wireless Network (inc. dimming) | |
| Emergency Options | /EM | Emergency Conversion |
| /EMD | DALI Emergency Conversion |
📌 Custom plug & socket variations available – Contact Sales
✅ Adjustable high-end downlight with a sleek, modern aesthetic
✅ Low-glare design ensures visual comfort in commercial applications
✅ Samsung LED technology for superior light quality and longevity
✅ Multiple beam angles and colour temperatures for tailored lighting solutions
✅ Smart control compatibility with DALI and Casambi wireless dimming
✅ Emergency lighting options for safety compliance
✅ Designed and engineered for reliability with short circuit, overload, and thermal protection
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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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