Description
Sylvania Metalarc Pulse Start Base-Up Burn 400 Watt Quartz Metal Halide BT37 Lamp Product Details (E-39) Mogul Screw-in Base Color Temp 4000k Cool White Ansi Code *M155/S:M135/S Used For Enclosed/Open Fixtures* MOL 11.5in x DIA 4.5in Base-Up Dedicated Burn Positon Rated Avg. Life 15,000hrs CRI 65 Spec Sheet *S = When operated within 15 degrees of vertical, this lamp may be operated in an open luminaire provided the installation is not near people or flammable or combustible material, otherwise it must be operated in a suitably enclosed luminaire. 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. Application• Ideal for Commercial Or Industrial Lighting.
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