Round Waterproof D180 LED Downlight 30-40W Manufacturer

What is the Round Waterproof D180 LED Downlight and where is it specified?

At XHLWX (led-project-light.com), a Custom Indoor LED Lighting Manufacturer based in China, we present the D180 Waterproof LED Downlight, the premier high-output model in our architectural recessed lighting series. This 30-40W fixture is engineered for demanding commercial, hospitality, and high-end residential projects where protection against moisture and dust is critical. Constructed from a robust ADC12 die-cast aluminum body with a precision-engineered sealing system, it achieves an IP65 rating, making it suitable for both indoor wet locations and covered outdoor areas. With its large Ø180mm bezel and standard Ø165mm cutout, the D180 integrates seamlessly into ceilings while delivering powerful, high-quality illumination.

Photometric and electrical specification

The D180 series is designed for specification-grade projects requiring precise performance and long-term reliability. Full IES and LDT photometric files are available for integration into DIALux lighting design software.

Parameter	Specification	Standard	Notes
Optical System	Lens + Deep-set Reflector	-	Choice of specular or matt reflector finish.
Color Temperature (CCT)	2700K, 3000K, 3500K, 4000K, 5000K, 6500K	ANSI C78.377	3-step MacAdam Ellipse (SDCM<3) for color consistency.
Color Rendering (CRI)	Ra > 80 / 90 / 95 / 98	CIE 13.3-1995	R9 > 50 for CRI90+, R9 > 90 for CRI98+ options.
Color Fidelity (TM-30)	Rf ~92, Rg ~100	IES TM-30-18	Typical values for CRI95+ version; reports available.
Unified Glare Rating (UGR)	UGR<19	EN 12464-1	Achievable with deep-set optics and 38°/60° beams.
Beam Angles	15°, 24°, 38°, 60°	-	Symmetrical distribution for accent or general lighting.
Electrical System
Power Consumption	30W / 40W	-	Selectable at time of order.
Luminous Efficacy	80 - 130 lm/W	-	Varies with CCT, CRI, and driver selection.
Driver Brand	Tridonic, Osram, Philips, Mean Well, Lifud, BOKE	-	External constant current driver with PF>0.9.
Dimming Control	DALI-2, 0/1-10V, TRIAC, Casambi (BLE), Zigbee	-	Specify control protocol when ordering.
LED Chip
Chip Brand	Citizen, Bridgelux, CREE, Luminus, Samsung, Osram	-	Chip-on-Board (COB) technology for uniform light output.
Housing & Mechanical
Ingress Protection	IP65	IEC 60529	Dust-tight and protected against water jets.
Housing Material	ADC12 Die-cast Aluminum	-	Excellent thermal management for L80B10 > 50,000 hrs.
Finish Color	Matt White (RAL9016), Matt Black (RAL9005)	-	Custom RAL colors available upon request (MOQ applies).
Dimensions / Cutout	Ø180 x H110 mm / Ø165 mm	-	Spring clip installation for ceiling thickness 5-30mm.
Compliance
Certifications	CE (LVD, EMC), RoHS, ErP, ISO9001	-	Certified for sale in EU, UK, and Middle East markets.
Warranty	5 Years	-	Covers luminaire and driver.

Which spaces is it designed for?

The D180's combination of high power and IP65 protection makes it a versatile solution for specifiers and contractors across Europe and North America.

How can I use the D180 to achieve consistent lighting in wet areas like luxury hotel bathrooms or spas?

For luxury bathrooms, changing rooms, and spa facilities, the D180 is an ideal choice. Its IP65 rating ensures safe and durable operation in zones 1 and 2. The 30W or 40W output can comfortably achieve ambient illumination levels of 300-500 lux. Use a 3000K CCT with CRI>95 to create a warm, inviting atmosphere that renders skin tones and high-end materials beautifully. The wide 60° beam angle provides excellent general lighting, while a 24° beam can be used to accent a vanity or feature shower wall.

What makes this fixture suitable for high-end retail or commercial projects?

In demanding retail and commercial settings, light quality and reliability are paramount. The D180 delivers on both fronts. Its ability to achieve UGR<19 ensures visual comfort for staff and customers, a key requirement in office and boutique environments. High efficacy up to 130 lm/W helps meet stringent energy codes and reduces operating costs. With premium driver options from Tridonic and Osram, you guarantee flicker-free performance compatible with advanced DALI-2 control systems, backed by a 5-year warranty that minimizes maintenance overheads.

Is this downlight powerful enough for covered outdoor spaces or building entrances?

Yes, the 40W version of the D180 can produce a powerful output of over 4500 lumens, making it perfectly suited for high-ceiling applications like covered walkways, building canopies, atriums, and transport hubs. The IP65-rated housing protects the internal components from wind-driven rain, humidity, and dust. A 4000K CCT provides a clean, secure light, and the choice of beam angles allows you to tailor distributions for broad coverage or focused accents from heights of 4 to 8 meters.

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

Installation is streamlined with a standard Ø165mm ceiling cutout and robust spring clips for a secure fit. The luminaire is powered by a remote, plug-and-play external driver, simplifying maintenance. We offer comprehensive support for modern lighting control systems, including wired DALI-2 for granular addressable control, 0-10V for simple dimming, and traditional TRIAC dimming. For smart building projects, we can supply drivers compatible with wireless protocols like Casambi (BLE) and Zigbee 3.0. The D180 is fully compliant with European standards, holding CE (LVD/EMC), RoHS, and ErP certifications, ensuring a smooth specification process.

Customisation, MOQ and lead time

As a lighting manufacturer, we specialize in tailoring products to project requirements. Beyond the standard Matt White and Matt Black finishes, we offer custom RAL color powder coating for a minimum order quantity (MOQ) of 100 units. Specialized light sources, including Tunable White (2700K-6500K), Dim-to-Warm (3000K-1800K), and RGBW are available. The standard MOQ for the D180 series is 50 units. Our typical production lead time for standard configurations is 15-25 working days, with global shipping options available to the EU, USA, and the Middle East.

Frequently Asked Questions

Q: What is the specific IP rating and what does it protect against?

A: The D180 LED Downlight has a robust IP65 rating. The '6' indicates it is completely dust-tight, offering full protection against contact. The '5' means it is protected against low-pressure water jets from any direction. This makes it ideal for bathrooms, kitchens, and covered outdoor areas, with tested water ingress protection up to 12.5 liters per minute, ensuring long-term reliability in damp environments.

Q: Can I get this downlight with a high CRI for a museum or gallery space?

A: Absolutely. We offer this fixture with a range of high-quality LED chips, including options with CRI95+ and even CRI98+. With an R9 value exceeding 90, these versions provide museum-grade color fidelity, rendering reds and skin tones with exceptional accuracy. For detailed color evaluation, we provide TM-30-18 reports, often showing Rf values over 92 and Rg values around 100 for our highest CRI options.

Q: What are the standard lead time and Minimum Order Quantity (MOQ) for an order to the US or Europe?

A: For standard configurations (e.g., 4000K, 38° beam, DALI driver), our typical production lead time is 15-25 working days. The standard Minimum Order Quantity (MOQ) is 50 units. For fully customized orders involving special RAL finishes or non-standard CCTs, the lead time may extend to 30 days and the MOQ may be higher. We ship globally via air and sea freight.

Q: What dimming protocols are supported by the external drivers?

A: We provide a wide range of dimming options to suit any control system. This includes wired protocols like DALI-2, 0/1-10V, and TRIAC (phase-cut) dimming. For smart lighting projects, we also offer wireless control via Casambi (Bluetooth Low Energy) and Zigbee 3.0. All drivers are high power factor (PF>0.9) and sourced from trusted brands like Tridonic or Osram for guaranteed performance.

Request IES files and a quotation

At XHLWX (led-project-light.com), a Custom Indoor LED Lighting Manufacturer based in China, we are committed to supporting your project from concept to completion. Contact our engineering team today to request a quotation, obtain full IES and LDT photometric files for your lighting simulations, or order samples of the D180 Waterproof LED Downlight. We are ready to assist with custom configurations to meet the unique demands of your architectural design.