Description
Sylvania Lighting 64189 Metalarc 400 Watt 4000K E39 Base BT28 Base-up Burn Pulse Start Metal Halide Lamp (E-39) Mogul Screw-in Base Color Temp 4100k Cool White Ansi Code M155/E,M135/E Used For Enclosed Fixtures Only MOL 8.31in x DIA 3.5in Base-Up Dedicated Burn Positon Rated Avg. Life 15,000hrs CRI 65 Additional Information The advanced arc tube design of Sylvania Metalarc Pulse Start Metal halide lamps makes them superior to standard metal halide probe start lamps. Initial lumen output levels are similar to standard lamps, but mean and maintained lumen levels can be up to 30 percent higher. Sylvania Metalarc Pulse Start lamp life can be up to two times the life of standard lamps these high performance lamps reduce color temperature shift over the life of the lamp by as much as 400K. Other performance enhancements include reaching 90 percent of full light output significantly earlier than standard lamps reducing hot restrike time by up to 60 percent. High Output, Reduced Color Shift Use with 4000V pulse rated sockets only. E = Lamps classified as E-type are to be used ONLY in suitably enclosed luminaries. See lamp warning. When operated on ballasts having a sustaining voltage less than 270V, lamp life may be significantly reduced. * Lamps may be operated on ANSI M135 (400W) Compliant ballasts. Application• Ideal for Commercial Or Industrial Lighting.
