DL178S LED Downlight
DL178S 1
DL178S 2
DL178S 3
DL178S LED Downlight
DL178S 1
DL178S 2
DL178S 3

DL178S LED Downlight

This is a square COB downlight, adopting high lumen COB LED to reach high efficiency. AL6063 aluminum housing provides a great thermal management that ensures a long lifespan, combined with the optic design, it can reach UGR<19 and offers better visual experience. To save on inventory and meet various customer needs, it can facilitate DIY replacement of different reflector and optic lens without requiring any tools. It offers decorative frosted drop glass ring and clear drop glass ring options, providing a softer light output and backlight effect.

  •  High lumen efficiency
  •  UGR<19 (not available for 6inch-35W 60° beam angle)
  •  Interchangeable CCT(3000K+4000K+5000K) with DIP switch
  •  Reflector color options: white, matt silver, bright silver, black
  •  Optical lens available 24°/36°/60°
  •  IP54 in front part
  •  Dimming way: Triac, DALI, 0-10V
  •  External flicker free driver

Applications: It is designed for general lighting applications in office, supermarket, shop, school, hotel, etc. It is also widely used for public areas, such as stairway, lobby, reception, corridors etc.

Code DL178S-6-18W DL178S-6-25W DL178S-6-35W DL178S-8-18W DL178S-8-25W DL178S-8-30W DL178S-8-35W
Dimension(mm) L175*W175*H96 & L175*W175*H118 (drop glass as options) L230*W230*H105 & L230*W230*H127 (drop glass as options)
Cutout(mm) Ø150-165 Ø200-210
Watt(W) 18W 25W 35W 18W 25W 30W 35W
Rated Input Voltage AC220-240V
Input Voltage AC198-264VV
LED Module Input DC33-38V
Light Source COB
SDCM SDCM<5
CCT(K) 1-CCT: 2700K/3000K/4000K/5000K||3-CCT:3000K+ 4000K+5000K
CCT Selection DIP Switch YES
Luminous Flux (lm) ±5% CRI80 1-CCT Non-DIM 2100-2350 2800-3200 3650-4000 2150-2350 2980-3250 - 3780-4100
DIM 2000-2250 2700-3000 3600-3900 2000-2300 2830-3100 - 3600-4000
Luminous Flux (lm) ±5% CRI90 3-CCT Non-DIM - 2250-2450 - - - 2900-3200 -
DIM - 2150-2300 - - - 2700-3000 -
CRI 1-CCT: CRI80/3-CCT: CRI90
Beam Angle(°) 24°/36°/60°
UGR UGR<19 (not available for 6inch-35W 60°beam angle)
LED Driver Driver built-out
Dimming Option Triac
Electrical Class Class II
Ingress Protection(IP Rating) IP54(Below Ceiling) IP40(Inside Ceiling)
Impact Resistance(IK Rating) IK06
Product Finishing Black RAL9005/White RAL 9016
Optics Material PC
Housing Material Die-Casting Aluminium
Lifetime(hr) 50,000h
Glow wire test(°C) 750°C
Operating Temp(°C) -20°C~45°C
Storage Temp(°C) -20°C~65°C
Installation Recessed
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