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Ideal for roadway lighting, bridge
and tunnel lighting, security lighting,
area floodlighting, railway crossing
lighting and airport lighting

Excellent Energy Efficiency

Up to 180 lumens per watt

Long Life

18,000 hours rated average life

Vibration Resistant

Rough service arc tube support system provides
protection against shock and vibration

Low Pressure Sodium Lamps (SOX-E, SOX)

High energy efficiency low pressure sodium lamps
for indoor and outdoor applications

Summary of Contents for SOX

Page 1: ...lighting Excellent Energy Efficiency Up to 180 lumens per watt Long Life 18 000 hours rated average life Vibration Resistant Rough service arc tube support system provides protection against shock and vibration Low Pressure Sodium Lamps SOX E SOX High energy efficiency low pressure sodium lamps for indoor and outdoor applications ...

Page 2: ...delas per 1000 lumens Percent 90 0 2 4 6 8 10 12 14 16 95 100 105 110 Percent of Nominal 220 200 180 160 140 120 100 80 60 40 20 0 Minutes Warm upTime Percent of LineVolts 150 140 130 120 110 100 90 80 70 60 50 LOW PRESSURE SODIUM LAMPS SOX E AND SOX Warm Up Characteristics Effects of InputVoltageVariations LampVolts Lamp Current LampWatts Light Output LampVolts Lamp Current LampWatts Light Output...

Page 3: ...dium Retaining Reservoirs provide even distribution of sodium for 100 lumen maintenance long lamp life and lamp wattage control 3 U Bend Insulation Feature controls lamp wattage rise and helps provide more consistent lamp life 4 Rough Service Arc Tube Support System eliminates arc tube movement along lamp axis yet allows radial arc tube flex It provides highest protection from shock and vibration ...

Page 4: ...18000 9 32799 9 SOX 180 L74 SOX 180 180 220 32000 240 0 91 0 91 18000 9 Light Output Over Life 100 Base Temperature Limit 150º C Bulb Temperature Limit 150º C Lamp Brightness SOX 10 cd cm2 SOX E 18 SOX 35 SOX 55 SOX 90 SOX 135 SOX 180 Philips Lighting Company 200 Franklin Square Drive P O Box 6800 Somerset NJ 08875 6800 1 800 555 0050 www lighting philips com nam A Division of Philips Electronics ...

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