Sylvania 64489 | 400W Coated Metal Halide BT28

Product Overview

Sylvania 64489 400W BT28 Compact Metalarc Quartz Metal Halide Coated Lamp

Product Details

CRI 70
(E-39) Mogul Screw-in Base
Color Temp 3600k Cool White
Ansi Code M59/E
Used For Enclosed Fixtures Only
MOL 8.31in x DIA 3.5in
Universal Burn Positon
Rated Avg. Life 20,000hrs
Spec Sheet

Additional Information

Sylvania Compact Metalarc lamps are available in smaller outer jacket sizes
To operate in a reduced fixture profile and to increase system efficiency.
The reduced bulb diameter allows the fixture designer to locate the lamp
Arc tube closer to the reflector, thereby increasing fixture efficiency.
The broad lamp selection allows the user to specify the size fixture
For various wattage lamps due to the reduced envelope size

E = Lamps classified as E-type are to be used ONLY in suitably enclosed luminaries
Abbrev. With Packaging Info. M400CUBT28 6/CS 1/SKU
Approx. Lumens (initial - horizontal) 32000
Approx. Lumens (initial - vertical) 36000
Approx. Lumens (mean - horizontal) 20500
Approx. Lumens (mean - vertical) 22500
Average Rated Life - Horizontal (hr) 15000
Average Rated Life - (hr) 15000
Average Rated Life - Vertical (hr) 20000
Diameter (mm) 89.00
Hot Restrike Time (min) 7-12
Lamp Finish Coated
Light Center Length - LCL (in) 5
Light Center Length - LCL (mm) 127
Maximum Base Temperature - Fahrenheit 482
Maximum Base Temperature - Celsius 250
Maximum Bulb Temperature - Fahrenheit 752
Maximum Bulb Temperature - Celsius 400
Maximum Overall Length - MOL (mm) 211
Nominal Voltage (V) 135.00
Nominal Wattage (W) 400.00
Operating Position Universal
Warm-up Time (min) 2-4