Description
Sylvania Metalarc 64789 Pro-Tech 250 Watt M138 EX39 Base BT28 Pulse Start Protected Metal Halide Clear Lamp (E-39) Mogul Screw-in Base Color Temp 4000k Cool White Ansi Code M153/O, M138/O Used For Enclosed Or Open Fixtures MOL 8.31in x DIA 3.5in Base-Up Within +/- 15° Only Burn Positon Rated Avg. Life 15,000hrs CRI 65 Additional Information Sylvania Pulse Start Metalarc Pro-Tech (MP Lamps)Designed lamps that incorporate a protective shroud to contain a non-passive arc tube failure. Metalarc Pro-Tech lamps can be used in open or enclosed fixtures. Dedicated bases are standard on both low and high wattage lamp types. O = Lamps classified as O-type, comply with ANSI standard C78.389 For containment testing and may be used in open luminaries Use with 4000V pulse rated sockets only. When operated on ballasts having a sustaining voltage less than 270V, lamp life may be significantly reduced. Application• Ideal for Commercial Or Industrial Lighting.
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