LED downlight







Premium COB Downlight Surface Mount, 40W Round or Square Shape, High Lumen Output for Visual Lighting in Commercial Spaces
Key attributes
Packaging and delivery
Ratings & Reviews
Supplier
LightSeek is a professional LED lighting manufacturer specializing in track lights, downlights, and commercial lighting solutions. With in-house R&D, production, and quality control, we serve retail, supermarket, museum, and hospitality projects worldwide. Our products are backed by up to 5 years warranty and strict quality standards.
Product descriptions
40w Round square Surface Mounted Cob Led Downlight

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Technical Data | |||||
| Model number | SDL-7W-R02 | SDL-15W-R02 | SDL-20W-R02 | SDL-30W-R02 | SDL-40W-R02 | |
| Watt | 7W | 15W | 20W | 30W | 40W | |
| Sizes | D90*H90mm | D110*H120mm | D130*H152mm | D170*H185mm | D193*H193mm | |
| Input voltage | 180-240V AC/100-277V AC | |||||
| Light effect (lm/W) |
100lm/W | |||||
| CRI | 80 Ra/ 90 Ra/ 97 Ra | |||||
| CCT | 2200K/2700K/3000K/4000K/5000K/6000K | |||||
| Beam angle | 20°/45° | |||||
| Bright attennat | <3% (per year) | |||||
| Dimmable | Triac dimming/0-10V dimming/Dali dimming for choices | |||||
| Flicker free | YES | |||||
| Insallation | Recessed | |||||
| Housing color | black, white, grey | |||||
| Warranty | 5 Years | |||||
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Technical Data | ||||
| Model number | SDL-10W-S02 | SDL-20W-S02 | SDL-30W-S02 | SDL-40W-S02 | |
| Watt | 10W | 20W | 30W | 40W | |
| Sizes | D90*90*H90mm | D110*110*H120 | D130*130*H135 | D160*160*H165 | |
| Input voltage | 180-240V AC/100-277V AC | ||||
| Light effect (lm/W) |
100lm/W | ||||
| CRI | 80 Ra/ 90 Ra/ 97 Ra | ||||
| CCT | 2200K/2700K/3000K/4000K/5000K/6000K | ||||
| Beam angle | 20°/45° | ||||
| Bright attennat | <3% (per year) | ||||
| Dimmable | Triac dimming/0-10V dimming/Dali dimming for choices | ||||
| Flicker free | YES | ||||
| Insallation | Recessed | ||||
| Housing color | black, white, grey | ||||
| Warranty | 5 Years | ||||
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Frequently Asked Questions
What warranty does the Premium COB Downlight Surface Mount, 40W Round or Square Shape, High Lumen Output for Visual Lighting in Commercial Spaces come with?
The Premium COB Downlight Surface Mount, 40W Round or Square Shape, High Lumen Output for Visual Lighting in Commercial Spaces carries a 5-year warranty with full coverage and no pro-rating. It is built with Tier-1 chips (Philips, Bridgelux, OSRAM) and an isolated constant-current driver with 4kV surge protection.
Can the Premium COB Downlight Surface Mount, 40W Round or Square Shape, High Lumen Output for Visual Lighting in Commercial Spaces be customized for OEM/ODM projects?
Yes. LightSeek offers full OEM/ODM for the Premium COB Downlight Surface Mount, 40W Round or Square Shape, High Lumen Output for Visual Lighting in Commercial Spaces — including CCT, CRI, power, finish, beam angle, and dimming protocol — backed by 3D prototyping, 24-hour aging tests, and CE/UL/SAA certification support.
What color temperature is the Premium COB Downlight Surface Mount, 40W Round or Square Shape, High Lumen Output for Visual Lighting in Commercial Spaces available in?
The Premium COB Downlight Surface Mount, 40W Round or Square Shape, High Lumen Output for Visual Lighting in Commercial Spaces is available in 2700K (Warm White), 3500K (Warm White), 4100K (Neutral White), 5000K (Daylight), 6000K (Daylight). 2700K–3000K suits warm hospitality ambiance, 4000K is typical for neutral retail and office environments, and 5000K+ for task-critical areas.
What is the CRI of the Premium COB Downlight Surface Mount, 40W Round or Square Shape, High Lumen Output for Visual Lighting in Commercial Spaces?
The Premium COB Downlight Surface Mount, 40W Round or Square Shape, High Lumen Output for Visual Lighting in Commercial Spaces has a CRI of 90. Ra≥80 is acceptable for general commercial use, Ra≥90 for retail and display lighting, and Ra≥95 with R9>50 for museums and premium galleries.
Is the Premium COB Downlight Surface Mount, 40W Round or Square Shape, High Lumen Output for Visual Lighting in Commercial Spaces dimmable?
Yes — the Premium COB Downlight Surface Mount, 40W Round or Square Shape, High Lumen Output for Visual Lighting in Commercial Spaces supports Yes. DALI is preferred for premium smart buildings, 0–10V for general commercial, and TRIAC for retrofit installations.
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