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150 Watt ED-23 1/2 Philips High Pressure Sodium Alto Lamp
150 Watt ED-23 1/2 Philips High Pressure Sodium Alto Lamp
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Manufacturer: Philips Lighting
Product Number: 467233
SKU Number: 1174954

General Description: The Philips 150 watt High Pressure Sodium lamp is ideal for parking lots, garages and other industrial applications.  It produces 16,000 lumens of light while only using 150 watts of energy and has a average rated life of 24,000 hours.  This HID lamp requires a S55 ANSI code ballast to operate (will not work with S56 ballasted fixtures).  It has Philips ALTO technology which makes it non-hazardous material by the EPA TCLP specifications.

  150 Watt Philips Clear High Pressure Sodium Lamp
with Mogul Base (ED23 1/2)

Product Specifications

Manufacturer Philips Lighting
Product Number 368746
Voltage 55 Volt
Watts 150
Beam Angle 360°
Base Type Mogul (E39)
Bulb Style ED23 1/2
Length 7.75 Inches
Diameter 2.94 Inches
Lumens 16,000
Color Rendering Index (CRI) 21
Color Temperature  2100K
Rated Average Life 24,000 Hours
Energy Star Qualified No
Dimmable No
Full Product Name HPS 150W S55 E39 ED23 1/2 CL
Ordering Code C150S55 Alto
Case Quantity 12
Technology High Pressure Sodium (HID)
Alternate Product Number 36874-6
Specification Sheet

Features & Benefits

• This lamp requires a S55 ballast (will not work in S56 ballast fixture)
• Not Dimmable
• Has mogul screw in base (E39)
• Contains 17 mg. of mercury 

• Universal design mean that it will burn at any angle placement
• 2100K color temperature (very yellow light)
• Produces 16,000 lumens
• Alto designation means that it passes the EPA TCLP test for non-hazardous materials


• Ideal for use in parking lots, garages and industrial applications.

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