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.
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.
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, our luminaires are designed to integrate seamlessly into retrofit projects, making it easy to upgrade existing lighting systems with minimal disruption.
Yes — Lumenloop luminaires are designed to integrate seamlessly with modern lighting control systems, giving you full flexibility over how your space is managed and optimised.
We support a wide range of control protocols, including Casambi (Bluetooth wireless), DALI, DSI and SwitchDIM.
This allows you to adjust light levels, create scenes, automate schedules, and manage lighting across individual zones or entire buildings.
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.
Yes. We offer 600×600 LED panels suitable for standard grid ceilings as well as selected specialist ceiling systems.
We also offer frames for SAS or Armstrong metal ceilings.
Yes. Most of our luminaires can be supplied with integrated emergency functionality, typically with a 3-hour duration.
Yes, we offer luminaires which can be supplied with DALI emergency self-test options where required.
This can help simplify emergency testing and monitoring as part of a wider lighting control or building management strategy.
We offer both maintained and non-maintained emergency options, depending on how the space is used.
While most standard products are available with a 3 hour non-maintained emergency pack, we also have standalone emergency lighting products with the choice of maintained and non-maintained.
Yes. Emergency functionality can be integrated into a wide range of luminaires, including downlights and panels.
This depends on layout, escape routes, and risk areas rather than just floor area. We can advise based on your drawings or requirements.
For a more detailed recommendation, please refer to our emergency lighting tool.
Yes. Selected luminaires can be supplied with self-test or DALI emergency options for automated testing and reporting.
Lead times vary depending on the product and the level of customisation required, but because most Lumenloop luminaires are made to order, we can usually give a clear lead time once the specification is confirmed.
Standard product: Typically 10 working days
Custom (e.g. bespoke RAL colour): Typically 20-30 working days
Special (bespoke): Typically between 6 – 8 weeks
Yes, we work closely with clients to develop bespoke lighting solutions tailored to their specific needs and design requirements.
Please reach out to us at info@lumenloop.co.uk
Yes, we can provide photometric LDT files to support lighting calculations, these are available to download on every product page.
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.
In many cases, yes. Because products are made to order, we can often match key parameters such as size, output, or appearance.
You can either use our AI lighting product finder (just click on the ‘specify with AI‘ button in bottom-right corner or simply email us at info@lumenloop.co.uk
Our luminaires are designed to align with relevant UK standards, including BS EN 12464-1 for workplace lighting and BS 5266 for emergency lighting.
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, 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 products are designed to be upgraded or refurbished, extending their usable life and reducing replacement costs.
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.
Yes. Our luminaires are designed using circular principles, including modular construction and long-life components to reduce waste over time.
We openly publish product TM66 data for full transparency.
Yes, all of our luminaires are available with dimmable LED drivers.
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.
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, our luminaires are designed to integrate seamlessly into retrofit projects, making it easy to upgrade existing lighting systems with minimal disruption.
Yes — Lumenloop luminaires are designed to integrate seamlessly with modern lighting control systems, giving you full flexibility over how your space is managed and optimised.
We support a wide range of control protocols, including Casambi (Bluetooth wireless), DALI, DSI and SwitchDIM.
This allows you to adjust light levels, create scenes, automate schedules, and manage lighting across individual zones or entire buildings.
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.
Yes. We offer 600×600 LED panels suitable for standard grid ceilings as well as selected specialist ceiling systems.
We also offer frames for SAS or Armstrong metal ceilings.
Yes. Most of our luminaires can be supplied with integrated emergency functionality, typically with a 3-hour duration.
Yes, we offer luminaires which can be supplied with DALI emergency self-test options where required.
This can help simplify emergency testing and monitoring as part of a wider lighting control or building management strategy.
We offer both maintained and non-maintained emergency options, depending on how the space is used.
While most standard products are available with a 3 hour non-maintained emergency pack, we also have standalone emergency lighting products with the choice of maintained and non-maintained.
Yes. Emergency functionality can be integrated into a wide range of luminaires, including downlights and panels.
This depends on layout, escape routes, and risk areas rather than just floor area. We can advise based on your drawings or requirements.
For a more detailed recommendation, please refer to our emergency lighting tool.
Yes. Selected luminaires can be supplied with self-test or DALI emergency options for automated testing and reporting.
Lead times vary depending on the product and the level of customisation required, but because most Lumenloop luminaires are made to order, we can usually give a clear lead time once the specification is confirmed.
Standard product: Typically 10 working days
Custom (e.g. bespoke RAL colour): Typically 20-30 working days
Special (bespoke): Typically between 6 – 8 weeks
Yes, we work closely with clients to develop bespoke lighting solutions tailored to their specific needs and design requirements.
Please reach out to us at info@lumenloop.co.uk
Yes, we can provide photometric LDT files to support lighting calculations, these are available to download on every product page.
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.
In many cases, yes. Because products are made to order, we can often match key parameters such as size, output, or appearance.
You can either use our AI lighting product finder (just click on the ‘specify with AI‘ button in bottom-right corner or simply email us at info@lumenloop.co.uk
Our luminaires are designed to align with relevant UK standards, including BS EN 12464-1 for workplace lighting and BS 5266 for emergency lighting.
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, 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 products are designed to be upgraded or refurbished, extending their usable life and reducing replacement costs.
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.
Yes. Our luminaires are designed using circular principles, including modular construction and long-life components to reduce waste over time.
We openly publish product TM66 data for full transparency.
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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