high power COB led ceiling light 8inch 56w retrofit

FOB Price:USD 40.0-45.0/Piece Get Latest Price
Certification:CUL,Energy Star,FCC,UL
Minimum Order:5
Brand Name:OKT Lighting
Brief Description:1. OKT commercial led downlight is listed on UL, CUL, Energy Star; 2. 5 years warranty; 3. Adopt Cree COB; 4. Professional commercial led downlight.

Jenny Zhang

  • Product Details

Basic Specification

Product TypeCOB led ceiling light
ApplicationSuitable for Damp Location
UL Driver MTBFmore than 50000 hours
Warranty5 Years
ChipCree COB
Finishing ColorSilver
MaterialAluminum Die Casting, PC
Light SourceLED
Beam Angle45
ApplicationAirport, Church, Cinema, Gallery, Garage, Hospital, Hotel, Meeting Room, Museum, Office, Restaurant, School, Shopping Mall

Detail Description

high power COB led ceiling light 8inch 56w retrofit


Specification For Commercial led downlight

100-277V AC Input Options for led downlight:

ModelItem NO.Input PowerLuminous FluxDimmingCertificate
8inch 18w led downlightC8-D18W-XXX18W1420LM
DC DimmingUL, Energy Star
8inch 23w led downlightC8-D23W-XXX23W1750LMDC DimmingUL, Energy Star
8inch 27w led downlightC8-D27W-XXX27W1960LMDC DimmingUL, Energy Star
8inch 33w led downlightC8-D33W-XXX33W2390LMDC DimmingUL, Energy Star
8inch 40w led downlightC8-D40W-XXX40W2540LMDC DimmingUL, Energy Star
8inch 54w led downlightC8-D54W-XXX54W3800LMDC DimmingUL, Energy Star

120V AC Input Options for led downlight:

Item NO.Input PowerLuminous FluxDimmingCertificate
8inch 18w led downlightC8-A18W-XXX18W1410LM
AC DimmingUL, Energy Star
8inch 27w led downlightC8-A27W-XXX27W1890LMAC DimmingUL, Energy Star
8inch 40w led downlightC8-A40W-XXX40W2520LMAC DimmingUL, Energy Star
8inch 54w led downlightC8-A54W-XXX54W3580LMAC DimmingUL, Energy Star

Details pictures for commercial led downlight

1. Front Side of led downlight ceiling light

2. Side Face of led downlight ceiling light

3. Light Up

Features for commercial led downlight

OKT led downlight ceiling light delivers high lumens of exceptional 80+ CRI with UL/cUL Recognized driver. This COB led downlight ceing light is available in 3000K, 3500K, 4000K, 5000K Energy Star color temperatures and allows you to easily replace:

  1. cULus, Energy Star Listed;

  2. 120V Input AC Dimming or 100-277V input DC Dimming ;

  3. Suitable for Damp locations;

  4. 5 Years Warranty;

  5. Adopt the CREE COB by CREE Truewhite Technology

6. UL Driver MTBF>500,000 Hours

7. Suitable for new construction fixture, such as JUNO.

Structure for commercial led downlight


8INCH 18W led downlight8.19"9.29"
8INCH 23W led downlight8.19"9.29"
8INCH 27W led downlight8.98"9.29"
8INCH 33W led downlight8.98"9.29"
8INCH 40W led downlight8.98"9.29"
8INCH 54W led downlight9.76"9.29"



LM79 Report for COB led downlight ceing light

  1. This OKT COB led downlight ceing light  was tested with no seasoning which made in compliance with IES LM-79-08.

  2. It was operated at rated voltage or at voltage required by manufacturer. 

  3. The ambient temperature of the sample was maintained at 25°C±1°C during measurement. 

  4. And relative humidity is less than 65%.

Projects for commercial led downlight

OKT COB led ceiling light is capable of retrofit application to existng fluorescent fixtures or new architectural.Many OKT COB led ceiling light installed around the North American, especially united State,such as:

  1. COB led downlight ceing light for BELK IN NORTH CAROLINA IN 2014;


  3. COB led downlight ceing light for Hotel in USA

Certificate for commercial led downlight


  1. We are focus on American Market, which all COB led ceiling light are listed on UL, CUL, Energy Star, FCC.

  2. We're available to provide UL, CUL, Energy Star Multiple List and Private Label for COB led ceiling light if needed.

Technical Equipment

  1. Shenzhen OKT Lighting understands“QUALITY IS LIFE”. 

  2. OKT staff keep this conception as their duty. So every production procession is made according to ISO9001 Quality Certification and ISO14001 Environment Management System. 

  3. What's more, each operator must be well trained before entering workshop. Meanwhile, Our quality control team and R&D team will check and test the semi-finished products and finished products by many kinds of instruments carefully all the time.

  4. OKT apply some technical equipments, such as SMT, Auto Aging Line, Integrating sphere, Drop Tester, Transport Simulation Tester during our COB led downlight ceing light production process;

  5. Those equipments make us deliver qualified products and offer more than 5 years warranty for led downlight ceiling light

Lighting Show


  1. We Shenzhen OKT Lighting Co.,Ltd specializes in researching, manufacturing and marketing led downlight ceiling light.

  2. Product ranges over commercial ul retrofit downlight, LED Panel Light, LED Tube light.

  3. All products are listed on UL, CUL, FCC, CE, Energy Star and DLC certificate.

  4. OKT Lighting focuses on American Market, our professional products, nearly 0% of complaint rate,fast lead time and considered OEM service makes us popular in this market.

  5. OKT Lighting cooperates with valuable supplier, such as CREE, PHILIPS, Mean Well, ES companies.

  6. Every years, we will  attend many lighting show to show our products, such as HK LIGHTING FAIR, THE LED SHOW IN USA, THE BUILUDING SHOW IN USA ect.

Customer Feedback

  1. We are happy with quality, let’s continue discussions.  --- Steven (from NY,USA)

  2. I love the led downlight ceiling light 8inch, we will be ordering more this week. ----Kody(from LA,USA)

  3. I am very pleased with the performance of led downlight ceiling light 8inch .---Richard from CANADA

  4. The COB led ceiling light is excellent----John from Canada

Housing Compatibility of COB led ceiling light

  1. 4 fits 4″ min. to 4.7″ max. mounting frame diameters

  2. 6 fits 6″ min. to 6.7″ max. mounting frame diameters 

  3. 8 fits 7.7″ min. to 8.4″ max. mounting frame diameters 

  4. 10 fits 10″ min. to 10.7″ max. mounting frame diameters

  5. Noted:Please help to use the frame with the diameter of metal lampholder cap is 70-90mm by 85mm high.

  6. Junction box to be located 1 inches minimum 


  1. Risk of Fire or Electric Shock

  2. COB led ceiling light requires knowledge of luminaires electrical systems. If not qualified, do not attempt installation. Contact a qualified person.

  3. WARNING - Risk of fire or electric shock.COB led ceiling light installation requires knowledge of luminaires electrical systems. If not qualified, do not attempt installation. Contact a qualified electrician.

  4. WARNING – Risk of fire or electric shock. Install these kits only in the luminaires that has the construction features and dimensions shown in the photographs and/or drawings.

  5. WARNING – To prevent wiring damage or abrasion, do not expose wiring to edges of sheet metal or other sharp objects.

  6. Do not make or alter any open holes in an enclosure of wiring or electrical components during kit installation.

FAQ for led downlight

1. What's rebate for led downlight ceiling light?

A: rebate is a type of sales promotion marketers use primarily as incentives or supplements to product sales. Customers could get rebate from your local Energy company because our items have been certified by Energy star or DLC.

2. What's your payment term?

A: For mass order, 50% as deposit, balance should be paid before delivery.

3. What is your warranty for led downlight ceiling light

A: 5 Years Warranty. 


situation 1Under the terms of this warranty, OKT LIGHTING will provide free new products based on the proof-documents if the product have a failure occurs under normal usage within warranty period.
situation 2If failure or damage due to incorrect operation, wire connection or anything other do not follow our instruction, OKT lighting will provide paid maintenance within warranty period.


4: Can we get support if necessary?

A: we offer business policies to support all regular and new clients to help you expand markets, please contact us for details.


More concerned for OKT led downlight ceiling light, pls do not hesitate to inquiry now or visit OKT web: www.oktlighting.com !


Size Options4inch commercial led downlight6inch commercial led downlight10inch commercial led downlight
Wattage Options14w, 27w18w, 23w, 27w40w, 54w


Additional Information

Payment TermsL/C, T/T, D/A, D/P, Credit Card, Western Union, Paypal
Minimum Order5
Lead Time / Delivery Time5 Day(s)
Sample AvailableYES Ask For Sample
Delivery DetailsWe accept 50% deposit and the balance should be paid before shipment;We offer quick lead time for commercial led downlight;Normally 5-7 days for sample call, and 15 days for mass order.
FOB PortShenzhen,
Loading InfoBy Air, By Sea, By Express(UPS, DHL, FEDEX).Normally for small order,express will be best. And for bulk order,it is better to by sea but need much time.
Packing InfoThere are two packing solutions for your reference:1. 1 pcs per carton;2. separate packaging for heatsink, reflector and junction box.
Target Market(s)North America, Latin America

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