The OKT 4inch Commercial LED Downlights are suitable for 100~277V Input with fired-rated Junction box, which delivers high lumens of exceptional 80+ CRI, Lifetime 50000H with 3000K, 3500K, 4000K, 5000K color temperatures options. It can replace for most manufacturers incandescent, CFL or H.I.D. fixtures with apertures of 4.1" min.to 4.7" max diameter. Easy conversion method and installation can be performed from below the ceiling without removing existing fixture.
|Input Wattage||14 Watts||27 Watts|
|Input Voltage||100-277V AC||100-277V AC|
|Delivered Lumen (3000k)||1078 lm||1782 lm|
|Efficacy ( lm/w)||77 lm/w||66 lm/w|
|Color Rendering Index||Ra>80||Ra>80|
|Power Factor||PF > 0.9||PF > 0.9|
|Lifespan ( Hours)||50,000||50,000|
This 4" led commercial downlights is widely used in hotel, office spaces, major retail stores, education facilities, government buildings, hospitals etc.
Q1: Why the beam angle of your 4" commercial downlight is too small?
A1: If you think the 30degree in not enough, we also can make frosted lens, it can reach to 40-45degree.
Q2: What would you do if downlight fails within warranty period?
A2: If evidenced that failure is due to quality issue, we will send customer a new one for replacement.
Q3: What kind of lamps do the 4" commercial downlight replace?
A3: CFL, HID, Metal halide lamp or incandescent.
Q4: Is your commercial downlight DLC listed?
A4: Downlight is regulated to Energy Star. DLC and Energy Star are two categories of energy saving certificates, one product can only obtain either of them.
Q5: Do you sell can (housing)?
A5: No, we do not. But we can recommend a reliable housing factory for you. (OMD, Liteharbor)
Q5: Do you have smaller package for downlight, the shipping cost is too much.
A5: No, we don't have. It is our standard package. The shipping cost is cheap if ship by sea.
Q7: Do you offer mounting brackets as well?
A7: Yes, we can supply mounting frame.
Q8: What’s the difference between new version and old version downlight?
A8: We add one lens in new version downlight,so the light will be soft and even,there are 4” and 10” downlights more in the new version.
Noted: it is the retrofit kit version. Need an additional housing fixture to install, pls contact OKT Sales.
4 inch housing frame