Sustainable lighting
June 23, 2025
The Sentinel 109 LED Bulkhead is a robust and versatile lighting solution designed for both wall and ceiling mounting, making it ideal for use in stairwells, corridors, and store rooms.
Constructed from durable polycarbonate, this bulkhead light is built to withstand various environmental conditions while maintaining a sleek aesthetic.
With outputs of up to 3925 lumens and high luminaire efficacies exceeding 125 lumens per total circuit watt, the Sentinel 109 ensures efficient, long-lasting illumination for any space. The high transmission, low spotting opal diffuser enhances light distribution while minimizing glare, providing a comfortable lighting experience.
Powered by a Tridonic LED and driver system, the Sentinel 109 boasts a lifespan of over 72,000 hours (L80), ensuring long-term reliability. It features multiple conduit entry points (2×20 mm) for flexible installation options.
The Sentinel is TP(a) rated, adhering to BS2781-0:2004 standards which means its built to withstand the elements.
📄 Bim File
The Sentinel 109 Series is a premium LED surface mount bulkhead, designed for exceptional efficiency and longevity. With advanced Tridonic LED technology, DALI and Bluetooth options, and a high transmission opal diffuser, this luminaire delivers industry-leading performance for commercial and industrial applications.
The LED bulkhead also offers advanced options such as DALI and Bluetooth for seamless integration into smart lighting systems, along with emergency lighting capabilities. For extra energy savings, integral microwave presence detector options can be included to enhance energy efficiency.
With a 5-year warranty, the Sentinel 109 combines durability, efficiency, and adaptability, making it an excellent choice for both commercial and residential applications.
High-transmission opal diffuser: Reduces spotting for uniform light output in harsh conditions.
Tridonic LED engine: Ensures stable performance with efficacies up to 142 lm/W.
Microwave presence detection: Integral sensor (/SO or /SD) automates lighting based on movement.
DALI and Bluetooth compatibility: Supports advanced dimming and smart control protocols.
Emergency-ready: Self-test EM variants (/EMD) ensure compliance with safety regulations.
Durable construction: Surface-mount design with 2x20mm conduit entries for secure installation.
Long lifespan: >72,000 hours reduces maintenance frequency in hard-to-access areas.
Custom trim finishes: Choose gloss white, brushed steel, chrome, or bespoke RAL colours.
3-step MacAdam ellipses: Tight colour consistency (SDCM ≤3) for visual comfort.
| Specification | Details |
|---|---|
| Model Range | 109.001 to 109.008 |
| Lumen Output | 1450–3925 lumens |
| Power Consumption | 11–28 W |
| Colour Temperatures | 830 (warm white), 840 (neutral) |
| Diffuser Material | High-impact opal polycarbonate |
| Conduit Entries | 2 x 20 mm |
| Warranty | 5 years |
| Version | Code Suffix | Description |
|---|---|---|
| Motion Sensor (On/Off) | /SO | Automates lighting via presence detection |
| Motion Sensor (Dimming) | /SD | Reduces to 10% brightness when idle |
| Casambi Bluetooth | /BTC | Wireless dimming and scene control |
| DALI Emergency + Self-Test | /EMD | Compliant emergency mode with diagnostics |
| Custom Trim Finishes | DB001-DB003 | Gloss white, brushed steel, chrome |
| Model | Luminous Output (lm) | Colour Temp (K) | Power (W) | Efficacy (lm/W) |
|---|---|---|---|---|
| 109.001 | 1450 | 3000K (Warm White) | 11W | 130 |
| 109.002 | 1525 | 4000K (Cool White) | 11W | 136 |
| 109.003 | 2000 | 3000K (Warm White) | 15W | 130 |
| 109.004 | 2100 | 4000K (Cool White) | 15W | 137 |
| 109.005 | 2775 | 3000K (Warm White) | 21W | 135 |
| 109.006 | 2925 | 4000K (Cool White) | 21W | 142 |
| 109.007 | 3750 | 3000K (Warm White) | 28W | 133 |
| 109.008 | 3925 | 4000K (Cool White) | 28W | 139 |
| Option | Description |
|---|---|
| /ECO | SwitchDIM / DALI / DSI control gear |
| /SO | Integral motion sensor (on/off) |
| /SD | Integral motion sensor (on/10% dim) |
| /BTC | Casambi wireless network with dimming |
| /EM | Emergency lighting with integral indicator |
| /EMD | DALI / Self-test emergency lighting |
| Trim & Body Options | Description |
|---|---|
| DB001 | Gloss white trim |
| DB002 | Brushed steel trim |
| DB003 | Chrome trim |
| PV – Prismatic Lens | Contact sales |
| PV – Coloured Body | Available in transparent, black, or any RAL colour |
📄 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
Branding and web design by Foxdog Marketing
