Commercial and industrial luminaire PLANK 121BHB51-47QN4

52.1W LED, 7666 Lumen, 148 Lumen/Watt, 4000 Kelvin. L=1214mm, CRI>80, UGR<28, IP20. System luminaire. Suitable for ambient temperatures of +5°C up to +40°C. Luminaire housing made of industrial grey aluminum. Frame made of chrome steel. With acrylic diffuser satiné diffuse. With B4 plug for TURBO rail. With integrated emergency supply.

Technical data

Product data
  • Item number121BHB51-47QN4
  • DimensionsL=1214 mm
  • Light sourceLED
  • Equipping / Current feed47.4 W
  • System output52.1 W
Light data
  • Optical light output ratio100 %
  • Light direct/non direct ratio100 / 0 %
  • Absolute luminous flux (Basis: Light source 840)7666 lm
  • Luminaire light output (lm/W)148 lm/W
Unified Glare Rating UGR
X=4H, Y=8H, S=0,25H
Deg. of reflection 70/50/20
  • Perpendicular Zero26.0
  • Perpendicular Ninty26.4

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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