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Item#: 9SIA0ZC0BK5420

Sylvania 64507 MS320/PS/BU-HOR 320W Metalarc Pulse Start Quartz Metal Halide Lamp

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320W METALARC PULSE START quartz metal halide lamp, high output, position dedicated, reduced color shift, E39 base, BT28 bulb, enclosed fixture rated, base up through horizontal, clear, 4300K

Abbrev. With Packaging Info. MS320PSBUHOR 6/CS 1/SKU
ANSI Code M154/E:M132/E
Approx. Lumens (initial - horizontal) 28000
Approx. Lumens (initial - vertical) 30000
Approx. Lumens (mean - horizontal) 19700
Approx. Lumens (mean - vertical) 21000
Arc Length (in) 1.38
Arc Length (mm) 35
Average Rated Life - Horizontal (hr) 15000
Average Rated Life - (hr) 15000
Average Rated Life - Vertical (hr) 20000
Base E39 Mogul
Bulb BT28
Color Rendering Index (CRI) 65
Color Temperature/CCT (K) 4300
Diameter (in) 3.504
Diameter (mm) 89.00
Family Brand Name Metalarc® Pulse Start
Fixture Requirement E
Hot Restrike Time (min) 5-7
Lamp Finish Clear
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 (in) 8.31
Maximum Overall Length - MOL (mm) 211
Nominal Voltage (V) 135.00
Nominal Wattage (W) 320.00
Operating Position Base up through horizontal
Warm-up Time (min) 2-4

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 M132 (320W) Compliant ballasts.


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