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      Product family information

      Customers operating highly hygienic facilities – in hospitals, laboratories, and certain production environments, e.g. in the food industry – require special IP65, easy-to-clean, dust-free luminaires that meet all applicable lighting requirements and norms. With the latest LED engine on board, this LED cleanroom luminaire represents the ideal solution, delivering market-leading energy performance – far beyond fluorescent solutions – over 50,000 hours of maintenance-free operation. This means extremely low operational cost over the total lifetime of the luminaire, and so an excellent financial return on investment. The luminaire’s high color rendering properties ensure the top-class optical performance required in e.g. clinical areas in hospitals and other areas where it is crucial to be able to distinguish between colors, such as in the graphical and clothing industries.


      Excellent functional cleanroom performance
      Market-leading energy efficiency; extremely low operational cost over total lifetime
      Excellent quality of light with high color rendering


      Latest LED engine
      ISO class 2-9 Fraunhofer-certified
      CRI 90
      Push-in connector: connection without opening the luminaire


      Hygienic areas in hospitals and laboratories
      Production facilities in the clothing industry
      Graphic design studios
      Software Plugins
      Product family details
      • CR434B (lay-in, 596 x 596 / 1196 x 296 mm version)
      • CR444B (lay-out, 612 x 612 / 1212 x 312 mm version)
      • CR436B (lay-in, 621 x 621 / 1246 x 308 mm version)
      • CR446B (lay-out, 637 x 637 / 1262x324 mm version)
      Ceiling type
      • Exposed T-bar ceiling
      • Plaster (board) ceiling
      Ceiling grid
      • Module size in length: 300 and 600 mm
      • Module size in length: 312.5 and 625 mm
      Light source
      • Replaceable LED module
      Power (+/-10%)
      • LED48: 49.5 W
      • LED88: 80 W
      Luminous flux
      • Square LED48: 3700 lm (3000 K) or 3500 lm (4000 K) (depending type)
      • Square LED88: 6200 lm (3000 K) or 5700 lm (4000 K) (depending type)
      • Rectangular LED88: 6300 lm (3000 K) or 5700 lm (4000 K) (depending type)
      Correlated Color Temperature
      • 3000 or 4000 K
      Color Rendering Index
      • > 80 (3000 and 4000 K)
      • > 90 (4000 K)
      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
      • -20 to +35ºC
      • Built-in
      Mains voltage
      • 220-240 V / 50-60 Hz
      • Touch-dim or DALI
      • Housing: sheet steel, laquerred
      • Cover: glass, tempered
      • Internal optic: aluminum
      • Heatsink: aluminum sheet steel
      • White RAL 9003
      Optical cover
      • AC-MLO
      • Push-in connector
      • No internal cleaning required
      • Lay in: fixation with spring fastener
      • Lay out: fixation with bolt and nuts
      • No through-wiring
      • Installation without removing light source and optical cover (not in case of plaster-ceiling versions)
      • Safety cable
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