Adjustable D115 Series LED Spot Downlight Round 15W

What is the D115 Series LED Spot Downlight Round 15W and where is it specified?

At XHLWX (led-project-light.com), a Custom Indoor LED Lighting Manufacturer based in China, we engineer professional-grade luminaires for the European, North American, and Middle Eastern markets. The Adjustable D115 Series LED Spot Downlight, specifically the 15W model (XH-PL-15W-AR), is a core product for specifiers requiring precision, performance, and aesthetic integration. This recessed, round downlight features a Ø115mm trim and requires a Ø95mm cutout, making it a versatile choice for both new construction and refurbishment projects. Its key feature is an adjustable gimbal mechanism, allowing for up to 30° of vertical tilt and 355° of horizontal rotation. This enables precise accent lighting for retail displays, architectural features, and artwork. Engineered for longevity and performance, it combines a robust ADC12 die-cast aluminium heatsink with premium LED chips and drivers to deliver exceptional, reliable light.

Photometric and electrical specification

This luminaire is fully customisable to meet stringent project requirements. We provide complete photometric data, including IES and LDT photometric files for seamless integration into lighting design software like DIALux.

Parameter	Specification	Standard	Notes
Optical System
Color Temperature (CCT)	2700K, 3000K, 3500K, 4000K, 5000K, 6500K	ANSI C78.377	3-step MacAdam Ellipse (SDCM <3) for superior color consistency.
Color Rendering Index (CRI)	Ra > 80, >90, >95, >98	CIE 13.3	High CRI >95 options are ideal for retail and gallery applications.
TM-30-18 Fidelity/Gamut	Rf > 90, Rg ≈ 100 (for CRI90+ versions)	IES TM-30-18	Provides a more complete measure of color rendition than CRI alone.
Unified Glare Rating (UGR)	UGR<19 or UGR<22 options available	EN 12464-1	UGR<19 version with black baffle recommended for office/task areas.
Beam Angle	15°, 24°, 36°, 60°	FWHM	Interchangeable PMMA lens for sharp, defined beam control.
Electrical System
System Power	15W	-	Power Factor > 0.95.
Luminous Efficacy	100-130 lm/W	-	Varies by CCT/CRI; typically ~110 lm/W for 4000K CRI90.
Driver Manufacturer	Tridonic, Mean Well, Osram, Philips, Lifud	EN 61347	External, flicker-free drivers with 5-year warranty.
Components & Materials
LED Chip Manufacturer	Bridgelux, Samsung, Osram, Citizen, CREE	LM-80	L80B10 > 50,000 hours projected lifetime.
Housing Material	ADC12 Die-cast Aluminium	-	Excellent thermal management for performance and longevity.
Finish	Matt White (RAL9016), Matt Black (RAL9005)	-	Custom RAL colors available upon request for project quantities.
Compliance
Ingress Protection	IP20	EN 60529	Suitable for dry indoor locations.
Certifications	CE (LVD/EMC), RoHS, ErP	EU Directives	ISO9001:2015 certified manufacturing facility.

Which spaces is it designed for?

The D115 Series' blend of performance, adjustability, and quality makes it a prime candidate for a range of commercial and hospitality environments where the quality of light directly impacts experience and sales.

How can this downlight be used for high-end retail accent lighting?

In a competitive retail environment, product presentation is everything. The D115 excels here by offering high-fidelity lighting with CRI options up to Ra98+. This ensures that the colors of apparel, fresh produce, or luxury goods are rendered accurately, boosting their appeal. Specifiers can use the narrow 15° or 24° beam angles to create dramatic pools of light, achieving focal brightness of 1500-2000 lux on key displays. The gimbal's 30° tilt and 355° rotation mean that as store layouts and promotions change, the lighting can be easily re-aimed without professional assistance, providing long-term value.

What makes the D115 suitable for modern office and meeting room designs?

For contemporary workplaces, lighting must balance aesthetics with occupant well-being and productivity. The D115 meets this need with its low-glare design. By specifying the UGR<19 version with a black internal baffle, designers can ensure compliance with the European standard for office lighting (EN 12464-1), minimizing eye strain for employees working on screens. A CCT of 4000K provides a neutral, energizing light ideal for task areas, while DALI control allows for integration into building management systems for daylight harvesting and scene-setting in boardrooms.

Can the D115 be specified for boutique hotel guest rooms and lobbies?

The goal in hospitality is to create a welcoming and luxurious atmosphere. The D115 facilitates this through its warm CCT options (2700K and 3000K) and excellent dimming performance. With TRIAC or DALI drivers, it provides smooth, flicker-free dimming down to 1%, creating the perfect ambiance. Our Dim-to-Warm (DTW) option, which shifts from 3000K to 1800K as it dims, mimics the intimate glow of an incandescent lamp. The minimalist, trimless-look design with a clean matte white or black finish blends seamlessly into ceilings, providing sophisticated general or accent light in guest rooms, corridors, and reception areas.

Installation, control and compliance (DALI-2 / Casambi / 0-10V, CE / RoHS / ErP)

Installation is streamlined for professional contractors. The luminaire requires a circular cutout of Ø95mm and is secured by two robust spring-loaded clips, ensuring a firm, flush fit in plasterboard ceilings from 5-25mm thick. The external driver is connected via a simple plug-and-play connector, simplifying maintenance.

We offer a comprehensive suite of control options to meet any project's technical specification:

• DALI-2: For addressable, digitally controlled systems offering advanced scene-setting, energy monitoring, and interoperability. Certified DALI-2 drivers from Tridonic are our standard offering for these projects.
• 0-10V / 1-10V: A reliable and simple analog dimming solution for cost-effective control.
• TRIAC (Phase-cut): Ideal for retrofit projects where existing mains wiring is being reused.
• Wireless (Casambi, Zigbee): For ultimate flexibility, we can integrate Casambi Bluetooth Low Energy (BLE) or Zigbee modules, enabling app-based control, scheduling, and sensor integration without control wiring.

All configurations are fully compliant with European standards, bearing the CE mark (covering LVD and EMC directives), RoHS for hazardous substance restriction, and meeting the latest ErP eco-design requirements for energy efficiency.

Customisation, MOQ and lead time

As a direct manufacturer, we provide extensive customisation. Beyond the standard options for CCT, CRI, and beam angle, you can specify your preferred driver brand (Tridonic, Osram, Mean Well, etc.) and dimming protocol. While Matt White and Matt Black are standard finishes, we can accommodate any custom RAL color for project orders to perfectly match your interior design palette. Our standard Minimum Order Quantity (MOQ) is 100 units. The typical lead time for standard configurations is 15-20 working days, while custom orders may require 25-30 working days from confirmation. Every D115 Series luminaire is backed by a comprehensive 5-year warranty.

Frequently Asked Questions

Q: What is the standard cutout size and what are the tilt/rotation angles?

A: The D115 Series requires a standard circular cutout of Ø95mm for installation. The luminaire's integrated gimbal mechanism offers excellent flexibility with a vertical tilt of up to 30 degrees and a full 355-degree horizontal rotation. This range of motion allows for precise aiming of the light beam, making it ideal for accent lighting applications where display layouts frequently change.

Q: Can I get this luminaire with a very high color rendering index for museum or gallery use?

A: Yes, we specialize in high-fidelity lighting for critical applications. The D115 series can be specified with premium LEDs offering a Color Rendering Index up to CRI98+ and TM-30 metrics like Rf > 95 and Rg > 98. We frequently supply these for gallery and museum projects in the EU and US, ensuring artworks are displayed with exceptional color accuracy under 2700K or 3000K light.

Q: What driver brands and dimming protocols are supported?

A: We offer a wide range of premium European driver brands including Tridonic, Osram, and Philips to meet demanding project specifications. Supported dimming protocols include DALI-2, 0-10V, and TRIAC phase-cut dimming. Wireless control via Casambi (BLE) is also a popular option, providing flexible control for up to 250 luminaires on a single network without new control wiring.

Q: What is the typical energy efficiency and expected lifetime?

A: The D115 15W model achieves a high luminous efficacy between 100-130 lumens per watt, depending on the CCT and CRI selected for your project. The luminaire is rated for an L80B10 lifetime of over 50,000 hours, ensuring at least 80% of initial lumen output is maintained after 50,000 hours of operation. We support this with a comprehensive 5-year warranty.

Request IES files and a quotation

At XHLWX (led-project-light.com), a Custom Indoor LED Lighting Manufacturer based in China, we are ready to support your next project. Our engineering team can provide full documentation, including IES and LDT files for your lighting simulations, detailed specification sheets, and a competitive quotation based on your custom requirements. Contact us today to discuss your project needs and to request a sample of the Adjustable D115 Series LED Spot Downlight.