Recessed floor luminaire LED 17240-17K4

21W LED, 1535 Lumen, 74 Lumen/Watt, 4000 Kelvin. Ø=227mm, CRI>80, UGR<10, IP67. Housing and cover ring made of rust-free steel. Plain security glass with silicone gasket. Lighting angle 40°, 15° pivotable and 359° turnable. Endurance 2000 kg. With electronic ballast.

Technical data

Product data
  • Item number17240-17K4
  • DimensionsØ=227 mm
  • Light sourceLED
  • Equipping / Current feed17 W
  • System output21 W
Light data
  • Optical light output ratio100.00 %
  • Light direct/non direct ratio0 / 100 %
  • Absolute luminous flux (Basis: Light source 840)1535 lm
  • Luminaire light output (lm/W)74 lm/W
Unified Glare Rating UGR
X=4H, Y=8H, S=0,25H
Deg. of reflection 70/50/20
  • Perpendicular Zero-
  • Perpendicular Ninty-

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
Download PDF

Illumination Value

lux - Luminaires
Download PDF