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Philips 36879-5 C250S50/ALTO

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Product Overview


Philips  #368795 Ceramalux 250 Watt S50 2100k Mogul Base ED-18 Alto High Pressure Sodium Lamp

  • CRI 21
  • Ansi Code S50
  • Color Temp 2100K
  • Rated Life 24,000hrs
  • MOL 9.75in x DIA 2.94in
  • E-39 Mogul Screw-In Base
  • Color Temp 2100k (Warm White)
  • Universal Operating Position


  • Ideal for security lighting, roadway lighting, warehouse lighting, and industrial applications.

Addtional Information

  • Long Life 24,000 hours Rated Average Life.
  •  Operates on standard HPS.35, 70,100, and 150 watt available in BD17 medium base
  •  250 and 400 watt available in ED18 mogul base /
  • 100 and 150 watt available in ED23-1/2 mogul base.
  • Follow fixture manufacturer’ recommendations regarding proximity of ballast to bulb.
  • Low total cost of ownership.
  • High efficacy up to 140 LPW.S
  • Alto Technologly Low mercury & Better for the environment
  • Heat resisting glass bulb



These lamps can cause serious skin burn and eye inflammation from short wave ultraviolet radiation if outer envelope ot the lamp is broken or puntured. Do not use where people will remain for more than a few minutes unless adequate shielding or other safety precuations are used. Certain lamps that will automaticallly extinguish when the outer envelope is broken or punctured are commercially available." This lamp complies with FDA radiation performance standard 21 CFR subchapter J. (USA:21 CFR 1040.30 Canada: SOR/DORS/80-381)




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