Product Overview
Sylvania 64450/64038 MS400-BU 400W Base-Up BT37 Metalarc Super Metal Halide Bulb
Product Details
- (E-39) Mogul Screw-in Base
- Color Temp 4000k Cool White
- Ansi Code M59/S
- Enclosed/Open Fixtures Only
- MOL 8.31in x DIA 3.5in
- Base-Up ± 15° Burn Positon
- Rated Avg. Life 20,000hrs
- CRI 65
Additional Information
The advanced arc tube design of Sylvania Metalarc Super 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. 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.
- 20,000 average rated life based on 10 hrs/start.
- 30,000 average rated life based on 120 hrs/start.
- 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
- Lamps may be operated M155 or M135 pulse start ballast with a sustaining voltage greater than 270V
Application
• Ideal for Commercial Or Industrial Lighting.
