Commercial and industrial luminaire PLANK 121NH51-31Q4

34.7W LED, 4986 Lumen, 144 Lumen/Watt, 4000 Kelvin. L=1214mm, IP66, CRI>80. Ceiling or wall mounted luminaire. Luminaire housing made of industrial gray aluminum. Click adapter and frame made of chrome steel. With acrylic diffuser satiné diffuse. Quick and easy installation with a unique snap connection.

Technical data

Product data
  • Item number121NH51-31Q4
  • DimensionsL=1214 mm
  • Light sourceLED
  • Equipping / Current feed31.6 W
  • System output34.7 W
Light data
  • Optical light output ratio100 %
  • Light direct/non direct ratio100 / 0 %
  • Absolute luminous flux (Basis: Light source 840)4986 lm
  • Luminaire light output (lm/W)144 lm/W
Unified Glare Rating UGR
X=4H, Y=8H, S=0,25H
Deg. of reflection 70/50/20
  • Perpendicular Zero24.5
  • Perpendicular Ninty24.9

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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