Prism 172

ø67 mm cut-out
ø76 mm bezel

Prism 172 Series – Miniature Architectural LED Downlight

Experience precision architectural lighting in a compact design. The Prism 172 Series features a low-glare matt black baffle paired with an advanced Tridonic SLA Essence LED light engine and a standard 36° LED lens for even, reliable illumination.

Enjoy outstanding lumen maintenance (L70/B50 @ >50,000 h) along with versatile control options—including DALI, Casambi wireless, and emergency configurations—making it ideal for modern commercial and residential spaces.

Finished with a die-cast bezel in white RAL 9016 and backed by a 5-year warranty, this downlight is engineered in the UK for quality and performance.

uk-made lighting 5 year warranty lighting low glare lights

Prism 172: a Low Glare Architectural LED Pinhole Downlight

ø67 mm cut-out
ø76 mm bezel

KEY FEATURES

✔ Miniature architectural LED downlight
✔ Features low-glare matt black baffle as standard
✔ Tridonic SLA Essence LED light engine
✔ 36° LED lens as standard
✔ Lumen maintenance L70/B50 @ >50,000 h
✔ 3-step MacAdam ellipse (SDCM)
✔ Die-cast bezel finished in white RAL 9016
✔ DALI, wireless, and emergency options available
✔ 5-year warranty

 

TECHNICAL SPECIFICATIONS

Model Ref. Engine Output (lm) Colour Temp (K) Luminaire Power (tcW) Engine Efficacy (lm/tcW)
Mains dimmable driver on board – DOB
172.001 725 2700K 9.5W 76
172.002 775 3000K 9.5W 82
172.003 825 4000K 9.5W 87
SLA LED Engine and Driver
172.004 775 2700K 10.5W 74
172.005 850 3000K 10.5W 81
172.006 900 4000K 10.5W 86
172.007 1150 2700K 14.0W 82
172.008 1175 3000K 14.0W 84
172.009 1275 4000K 14.0W 91

 

OPTIONS & ACCESSORIES

Option Category Suffix Description
Control Gear /MDIM Phase-cut mains dimming
/ECO SwitchDIM / DALI / DSI
/BTC Casambi wireless network with dimming
Emergency Options /EM Emergency – Remote indicator
/EMD DALI / Self-test emergency – Remote indicator
/EMM Wireless mesh emergency – Remote indicator
Body Type & Finishes /T Tilt body option
/BL Black finish (RAL 9005)
/BLT Tilt body in Black (RAL 9005)
Baffle Colours /WSB White Softlight Baffle
/GB Gold Baffle
Lens Options /SNB 12° narrow beam (not available with 172.004 / 5 / 6)
/NB 24° lens
Accessories /HC Honeycomb louvre

📌 Note: Control gear and emergency options are not available with models 172.001, 172.002, 172.003.

 

WHY CHOOSE THE PRISM 172 SERIES?

🔹 High-performance architectural LED downlight with advanced Tridonic LED technology
🔹 Low-glare matt black baffle for comfortable illumination
🔹 Available in 2700K, 3000K, and 4000K with multiple beam angles
🔹 Compatible with DALI, Casambi wireless, and emergency lighting options
🔹 UK-designed and manufactured for premium quality and reliability
🔹 5-year warranty

 

📄 Download Datasheet

📄 Installation Guide

📄 Photometric Data

📄 Bim File

FAQ

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:

  • Maintained Emergency Lighting: These luminaires operate continuously under normal conditions and remain illuminated during a power failure, providing consistent illumination in critical areas.

  • Non-Maintained Emergency Lighting: These units remain off during normal operation and activate only when the mains power fails, ensuring energy efficiency while still providing essential illumination during emergencies.

  • Emergency Exit Signage: Designed to guide occupants safely during evacuations, our exit signs are available in various formats, including surface-mounted and recessed options, to suit different building designs and requirements.

These solutions are designed to provide dependable performance during critical moments, ensuring safety and visibility across various environments.

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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