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Cetus3 / CETUS3 MSF 1000-840 EHF RWH


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  • Base: 96634897 — CETUS3 MSF 1000-840 EHF RWH

Data Sheet

Surface mounted LED downlight. Fixed output LED driver. Body: die-cast aluminium. Diffuser: polycarbonate, smooth reflector in white finish with wide beam. Trim: high quality, highly reflective polycarbonate. Class I electrical, IP43. Installation plate to be fitted directly to ceiling, for mounting via BESA box or wire suspension use available accessory. Electrical connection via 3/5 pole, push in, terminal block, Housing mounts to installation plate with twist and lock bayonet mechanism. Complete with 4000K LED


Dimensions: Ø181 x 182 mm
Luminaire input power: 7.7 W
Luminaire luminous flux: 1057 lm
Luminaire efficacy: 137 lm/W
Weight: 2.59 kg

Mode selection
  • Lamp position:STD - standard
  • Light Source:LED
  • Luminaire luminous flux*:1057 lm
  • Luminaire efficacy*:137 lm/W
  • Colour Rendering Index min.:80
  • Ballast:1 x 06891966 DRV TC PRFL 22W 500mA 44V F #SC 127571
  • Correlated colour temperature*:4000 Kelvin
  • Chromaticity tolerance (initial MacAdam):3
  • Rated median useful life*:L80 50000 h at 25 °C
  • Luminaire input power*:7.7 W Power factor = 0.88
  • Dimming:FIX
  • Maintenance category CIE 97:C - Closed Top Reflector
  • LED
  • CE
  • GLedReP
  • 850°
  • Hfree
  • IK06
  • IP43
  • LLedReP
  • RG1
  • SC1
  • Ta= -20 to +25
  • UKCA


Photometric configuration


Use CalcExpress to quickly carry out quick online calculations of required indoor luminaire numbers for rectangular rooms. Enter the calculation parameters for your solution such as room dimensions, mounting height, height of the useful plane and required level of illuminance, and the site will instantly suggest a solution according to the light output ratio method.

Step 1: Technical data
Step 2: Room Data
Step 3: Result