ArcForm – a new dimension in LED lighting


Product family information

More and more customers are looking for lighting solutions that support the architecture of the building and the types of activity taking place in certain zones. A luminaire with soft light and a gentle appearance is perfect for those places where additional quality of light adds value. With the cleanly designed ArcForm, the optical system using MesoOptics technology creates soft, comfortable lighting, with a full luminous surface. The luminaire’s wide beam shape means that the light distribution is uniform throughout the entire space, rather than directional. And the LED boards and optics offer significant energy savings compared to a similar conventional solution.


Creates pleasant spaces that are well lit in a soft and gentle way
When looking directly into the luminaire, the light is not glaring or uncomfortable
Offers immediate savings of over 50% on energy cost compared to a similar conventional solution


Optical system using MesoOptics technology
Wide beam shape, uniform light distribution
LED boards and optics
Design is clean, crisp and free of clutter


General lighting
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Software Plugins
Product family details
  • RC660B
Ceiling type
  • Exposed T-bar ceiling
Ceiling grid
  • Module size in length: 600 mm
Light source
  • Philips Fortimo LED Line 1R
Power (+/-10%)
  • LED36S version: 37 W
  • LED44S version: 46 W
Beam angle
  • 114º
Luminous flux
  • LED36S version: 3600 lm
  • LED44S version: 4400 lm
Correlated Color Temperature
  • 3000 or 4000 K
Color Rendering Index
  • ≥ 80
Median useful life L70B50
  • 70,000 hours
Median useful life L80B50
  • 50,000 hours
Median useful life L90B50
  • 25,000 hours
Driver failure rate
  • 1% per 5000 hours
Average ambient temperature
  • +25 ºC
Operating temperature range
  • +10 to +40 ºC
  • Built-in
Mains voltage
  • 230 or 240 V / 50-60 Hz
  • DALI-dimmable
  • Housing: zinc-coated steel
  • White
  • MESO optic (MO)
  • Wieland connector GST 18, 3 or 4 poles (W)
  • Push-in connector (PI)
  • Individual; lay-in in exposed ceiling grids
  • No through-wiring possible
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