LED downlight
4/5/6/8 Inch COB Recessed LED Downlight 15W-50W Retrofit Kit for Insulated Ceiling
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
4/5/6/8 Inch COB Recessed LED Downlight 15W-50W Retrofit Kit for Insulated Ceiling
COB LED Downlight Ceiling Recessed Lighting
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Technical Data | ||||
| Model number | DL-10W-C01 | DL-20W-C01 | DL-30W-C01 | DL-40W-C01 | |
| Watt | 10W | 20W | 30W | 40W | |
| Sizes | D115*H65mm Cutout: 100mm |
D140*H80mm Cutout: 125mm |
D160*H85mm Cutout: 145mm |
D198*H98mm Cutout: 180mm |
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| 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 | 50° | ||||
| 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 4/5/6/8 Inch COB Recessed LED Downlight 15W-50W Retrofit Kit for Insulated Ceiling come with?
The 4/5/6/8 Inch COB Recessed LED Downlight 15W-50W Retrofit Kit for Insulated Ceiling 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 4/5/6/8 Inch COB Recessed LED Downlight 15W-50W Retrofit Kit for Insulated Ceiling be customized for OEM/ODM projects?
Yes. LightSeek offers full OEM/ODM for the 4/5/6/8 Inch COB Recessed LED Downlight 15W-50W Retrofit Kit for Insulated Ceiling — 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 4/5/6/8 Inch COB Recessed LED Downlight 15W-50W Retrofit Kit for Insulated Ceiling available in?
The 4/5/6/8 Inch COB Recessed LED Downlight 15W-50W Retrofit Kit for Insulated Ceiling is available in 2700K (Soft Warm White), 3500K (Warm White), 4100K (Neutral White), 5000K (Daylight), 6000K (Daylight Alert). 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 4/5/6/8 Inch COB Recessed LED Downlight 15W-50W Retrofit Kit for Insulated Ceiling?
The 4/5/6/8 Inch COB Recessed LED Downlight 15W-50W Retrofit Kit for Insulated Ceiling 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 4/5/6/8 Inch COB Recessed LED Downlight 15W-50W Retrofit Kit for Insulated Ceiling dimmable?
Yes — the 4/5/6/8 Inch COB Recessed LED Downlight 15W-50W Retrofit Kit for Insulated Ceiling supports Yes. DALI is preferred for premium smart buildings, 0–10V for general commercial, and TRIAC for retrofit installations.
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