Ceiling-mounted luminaire LEAN 180NG5-26ND4

29.4W LED, 3645 Lumen, 124 Lumen/Watt, 4000 Kelvin. L=1770mm, H=100mm, Ø=80mm, CRI>90, UGR<19, IP50. Tube made of diffuse satinated acrylic glass. Ceiling console and front sides nickel silver pearl matt. Light output low. With electronic ballast. With DALI control.

Technical data

Product data
  • Item number180NG5-26ND4
  • DimensionsL=1770 mm / H=100 mm / Ø=80 mm
  • Light sourceLED
  • Equipping / Current feed26 W
  • System output29.4 W
  • Assembly distance760 mm
  • Weight6.2 kg
Light data
  • Optical light output ratio100 %
  • Light direct/non direct ratio78 / 22 %
  • Absolute luminous flux (Basis: Light source 840)3645 lm
  • Luminaire light output (lm/W)124 lm/W
Unified Glare Rating UGR
X=4H, Y=8H, S=0,25H
Deg. of reflection 70/50/20
  • Perpendicular Zero21.3
  • Perpendicular Ninty18.7

Lighting calculation

Room Type

  • Office Reading & Writing

    (500 lux @ 0.75m)

  • Office Other tasks & Copying

    (300 lux @ 0.75m)

  • Storage Room

    (100 lux @ 0m)

  • Traffic Area Corridors

    (100 lux @ 0m)

  • Private Space

    (200 lux @ 0.75m)

Room Dimensions

Number of Luminaires

lux - Luminaires
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Illumination Value

lux - Luminaires
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