The Lumi 37 is an IP54-rated commercial downlight featuring switchable colour temperatures (3000K/4000K/6500K), Tridonic-powered SMD LEDs, and opal PC diffuser. Ideal for offices, retail, and healthcare environments.
Its discreet, low-profile bezel and recessed opal diffuser ensure even, low-glare illumination, making it ideal for creating comfortable lighting in various indoor settings.
The Lumi 37 supports dimming and is compatible with professional lighting control systems, offering additional customization for various applications. Its blend of performance, durability, and aesthetic design makes it an excellent choice for high-end commercial environments.
๐ Download Datasheet
๐ Installation Guide
๐ Photometric Data
๐ Bim File
The Lumi 37 is a professional IP54-rated downlight designed for commercial spaces requiring versatile, moisture-resistant illumination.
Featuring a RAL 9016 white bezel and recessed opal polycarbonate diffuser, it incorporates Tridonic-powered SMD LEDs with switchable colour temperatures (830/840/855).
Delivering up to 2275 lumens with a 50,000-hour lifespan (L70), it offers DALI, dimming, and emergency control options. Ideal for offices, retail spaces, and healthcare facilities, this downlight combines aesthetic discretion with a 5-year warranty.
Switchable CCT: Toggle between 3000K (830), 4000K (840), and 6500K (855) post-installation.
IP54 rating: Splash resistance for kitchens, washrooms, and commercial interiors.
Tridonic LED technology: High-efficiency SMD LEDs with up to 155 lm/W source efficacy.
RAL 9016 white bezel: Minimalist design for seamless ceiling integration.
Opal polycarbonate diffuser: Glare-free, uniform light distribution.
50,000-hour lifespan: L70 rated for reduced maintenance.
Advanced controls: DALI (/ECO), wireless (/BTC), and emergency options.
UK-manufactured: 5-year warranty for reliable performance.
Specification | Details |
---|---|
Model reference | 37.001, 37.002 |
Lumen output range | 1125โ2275 lm |
Colour temperatures | 3000K (830), 4000K (840), 6500K (855) |
Power consumption | 11โ21 W |
Light source efficacy | 146โ155 lm/W |
Luminaire efficacy | 100โ111 lm/W |
Bezel diameter | 190 mm |
Compliance | IP54, L70 (50,000 hours) |
Model Code | Lumens (CCT Variants) | Power | Source Efficacy (lm/W) | Luminaire Efficacy (lm/tcW) |
---|---|---|---|---|
37.001 | 1125 lm (830) | 11 W | 146 | 102 |
1200 lm (840) | 11 W | 155 | 108 | |
1200 lm (855) | 11 W | 155 | 108 | |
37.002 | 2050 lm (830) | 21 W | 146 | 100 |
2275 lm (840) | 21 W | 155 | 111 | |
2200 lm (855) | 21 W | 155 | 107 |
Option Code | Description | Compatibility |
---|---|---|
Control Gear | ||
/MDIM | Mains dimming | All models |
/ECO | DALI control | All models |
/BTC | Casambi Bluetooth wireless dimming | All models |
Emergency | ||
/EM | Emergency remote indicator | All models |
/EMD | DALI self-test emergency (remote) | All models |
Hardwired connection: 220โ240V mains input.
CCT switching: Adjust via integrated switch after installation.
IP54 sealing: Suitable for humid environments (e.g., kitchens, washrooms).
Thermal management: Passive cooling for stable performance at +25ยฐC ambient.
Office corridors: Switchable CCT (37.001) with /ECO DALI for adaptive lighting.
Retail changing rooms: IP54-rated 37.002 (2275 lm) with /BTC wireless control.
Healthcare washrooms: Emergency-compliant /EMD option for safety-critical zones.
Educational facilities: 6500K (855) for alertness in classrooms or labs.
Sentinel 109: IP65 emergency bulkheads for exterior applications.
Lumi 39: The 37 Series features a compact 160 mm cut-out with luminaire outputs up to ~2275 lm at around 100โ111 lm/W, whereas the larger 39 Series uses a 200 mm cut-out to deliver up to ~3500 lm with efficacies up to 125 lm/W.
Titan 38: IK10-rated bulkheads for high-impact environments.
โ ๏ธย Note: All performance data measured at +25ยฐC ambient temperature. Specifications subject to change without prior notification.
๐ Download Datasheet
๐ Installation Guide
๐ Photometric Data
๐ 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:
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.
Lumenloopโs 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
Branding and web design by Foxdog Marketing