Grille LED Downlight D175 Series 20-30W Supplier

What is the Grille LED Downlight D175 Series and where is it specified?

At XHLWX (led-project-light.com), a Custom Indoor LED Lighting Manufacturer based in China, we present the D175 Series Grille LED Downlight, an architectural luminaire designed for superior performance and visual comfort in commercial environments. This 20-30W fixture is engineered for specifiers, architects, and contractors in the EU, US, and Middle East who demand precise control, exceptional color quality, and a minimalist aesthetic. The D175 Series features a square 175x175mm housing with a deep-recessed light source and a sharp, clean bezel, fitting into a 160x160mm ceiling cut-out. Its primary function is to provide high-quality general or accent illumination while minimizing glare, making it an ideal solution for modern retail stores, corporate offices, and luxury hotels where lighting quality directly impacts user experience and brand perception.

Photometric and electrical specification

The D175 Series is built to meet stringent European and American project requirements. Full IES and LDT photometric files are available for integration into DIALux and other lighting design software, ensuring accurate project simulations. Key performance metrics are detailed below:

Parameter	Specification	Standard	Notes
Power Consumption	20W / 25W / 30W	IEC 62717	Power factor >0.90 across all models.
Luminous Efficacy	100 - 130 lm/W	IES LM-79-08	Varies with CCT, CRI, and power selection.
Color Temperature (CCT)	2700K, 3000K, 3500K, 4000K, 5000K, 6500K	ANSI C78.377-2017	Tunable White (TW) and Dim-to-Warm (DTW) options available.
Color Rendering (CRI)	Ra >80, >90, >95, >98	CIE 13.3-1995	High-fidelity options for color-critical applications like museums and retail.
Color Fidelity (TM-30)	Rf >90, Rg >98 (for CRI98+ options)	IES TM-30-18	Provides a comprehensive characterization of color rendition.
Unified Glare Rating (UGR)	<19 with deep-recessed black baffle optics	EN 12464-1	Compliant for office, educational, and other task-oriented spaces.
Beam Angles	15°, 24°, 38°, 60°	-	Precision lens optics for accent, task, or general lighting.
Driver Options	Tridonic, Mean Well, Osram, Lifud, BOKE	EN 61347	DALI-2, 0-10V, TRIAC, and wireless (Casambi, ZigBee) control protocols.
LED Chip Options	Bridgelux, Citizen, Cree, Philips, Luminus	IES LM-80	SDCM <3 ensures consistent color between fixtures.
Housing & Finish	ADC12 Die-cast Aluminium; Matt White (RAL9016), Matt Black (RAL9005)	-	Custom RAL finishes available upon request.
Protection Class	IP20	EN 60529	Suitable for dry indoor locations.
Certifications & Warranty	CE, RoHS, ErP, ISO9001; 5-Year Warranty	-	Fully certified for European market access and quality assurance.

Which spaces is it designed for?

The D175 Series excels in a variety of commercial settings where the quality of light is paramount. Its modular design and extensive optical options allow it to be tailored for specific applications, from creating drama to ensuring comfort.

How can I use the D175 Series for accent lighting in high-end retail?

For high-end retail environments, the D175 Series is a powerful tool for drawing attention to merchandise. By specifying a narrow beam angle like 15° or 24° and a high-CRI chip (CRI>95 or >98), you can create dramatic contrast and render colors with exceptional accuracy. This allows you to achieve high illuminance levels of 1000-1500 lux on key displays, making products appear more vibrant and appealing. The deep-recessed design ensures that the focus remains on the product, not the light source, creating a sophisticated and glare-free shopping experience for customers.

What makes this fixture suitable for modern office and conference room lighting?

In modern office and conference room design, visual comfort is non-negotiable. The D175 Series directly addresses this need with its ability to achieve a Unified Glare Rating (UGR) of less than 19, complying with the strict EN 12464-1 standard for workspaces. Using a wider 38° or 60° beam with a 4000K CCT creates a bright, energizing environment that enhances productivity. When integrated with a DALI-2 control system, the lighting can be zoned and dimmed to adapt to different tasks, presentations, or video conferencing needs, providing both efficiency and flexibility.

Can this downlight meet the demands of hotel lobby and corridor illumination?

Yes, the D175 series is perfectly suited for hospitality projects. In hotel lobbies, a combination of beam angles can be used to create layers of light—wider beams for general circulation and narrower beams to highlight architectural features or artwork. Specifying a warm CCT of 2700K or 3000K, or even a Dim-to-Warm (DTW) version, helps establish a welcoming and luxurious ambiance. The fixture's clean, minimalist appearance integrates seamlessly into sophisticated interior designs, while its reliable performance ensures low maintenance for the hotel operator over its 50,000-hour rated life.

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

Designed for straightforward integration into commercial projects, the D175 installs easily into plasterboard or grid ceilings via robust spring clips, requiring a standard 160x160mm square cut-out. Its versatility extends to control systems, with drivers available for virtually any protocol a specifier might require. We offer DALI-2 certified drivers for intelligent, addressable building management systems, classic 0-10V analogue dimming, and phase-cut (TRIAC) dimming for simpler retrofits. For maximum flexibility and smart building functionality, we also supply drivers compatible with wireless systems like Casambi (Bluetooth Low Energy) and ZigBee. All versions are fully certified with CE, RoHS, and ErP, ensuring compliance for projects across Europe and other international markets.

Customisation, MOQ and lead time

As a dedicated manufacturer, we specialize in tailoring products to meet specific project demands. Beyond the standard Matt White and Matt Black finishes, the D175 housing can be powder-coated to any RAL color to match your interior design scheme. We accommodate requests for specific driver brands, CCT/CRI combinations, and specialized outputs like Tunable White or RGBW. Our Minimum Order Quantity (MOQ) for the D175 series is 100 units. Standard production lead time is typically 15-25 working days, with project-specific timelines confirmed at the quotation stage.

Frequently Asked Questions

Q: What is the standard warranty and expected lifetime?

A: The D175 series comes with a comprehensive 5-year manufacturer's warranty. The luminaire is rated for an L80B10 lifetime of over 50,000 hours, which means it will retain at least 80% of its initial light output for that duration, ensuring long-term performance and minimal maintenance in commercial installations.

Q: Can I get this fixture with Tunable White or Dim-to-Warm functionality?

A: Yes, customisation is a core service. The D175 can be configured with Tunable White (TW) CCTs, typically ranging from 2700K to 6500K, or with Dim-to-Warm (DTW) technology that smoothly shifts from 3000K down to a warm 1800K glow as it dims, making it perfect for hospitality and residential applications.

Q: What is the typical Unified Glare Rating (UGR) for this downlight?

A: When specified with the deep-recessed black baffle and appropriate beam angle, the D175 grille downlight consistently achieves a UGR of <19. This makes it fully compliant with the EN 12464-1 standard for office and educational environments, where minimizing screen glare and ensuring high visual comfort is critical.

Q: How do I obtain photometric files for my lighting design software?

A: We provide complete photometric data for all configurations of the D175 series. Simply contact our engineering team with your required wattage (20W, 25W, or 30W), CCT, and beam angle. We will supply the corresponding IES and LDT files for your DIALux or Relux lighting simulation, typically within 24 hours.

Request IES files and a quotation

At XHLWX (led-project-light.com), a Custom Indoor LED Lighting Manufacturer based in China, our team is ready to support your next project. We provide detailed technical assistance, project-specific quotations, and full photometric data to help you specify with confidence. Whether you require a standard configuration or a fully customized solution for a retail, office, or hospitality space, we have the manufacturing capability to deliver. Contact us today to request IES files for the D175 Series, discuss your unique project requirements, or receive a formal quotation.