Luminaire of higher protection K11 28K11-T1A4

28W LED, 4340 Lumen, 155 Lumen/Watt, 4000 Kelvin. L=1270mm, W=100mm, H=100mm, CRI>80, UGR<25, IP66. Frosted cover made of impact-resistant polycarbonate. Light grey housing with chrome steel locks. Incl. cable glands and blind plugs. With electronic ballast.

Technical data

Product data
  • Item number28K11-T1A4
  • DimensionsL=1270 mm / B=100 mm / H=100 mm
  • Light sourceLED
  • Equipping / Current feed24 W
  • System output28 W
  • Weight2.06 kg
Light data
  • Optical light output ratio100 %
  • Light direct/non direct ratio96.6 / 3.4 %
  • Absolute luminous flux (Basis: Light source 840)4340 lm
  • Luminaire light output (lm/W)155 lm/W
Unified Glare Rating UGR
X=4H, Y=8H, S=0,25H
Deg. of reflection 70/50/20
  • Perpendicular Zero22.1
  • Perpendicular Ninty22.9

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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