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250 Watt Dual Arc Tube Philips High Pressure Sodium Alto Lamp
250 Watt Dual Arc Tube Philips High Pressure Sodium Alto Lamp
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Manufacturer: Philips Lighting
Product Number: 048773
SKU Number: 377176

General Description: This 250 watt Instant Restrike (Dual Arc Tube) light bulb is designed to last 40,000 hours with the added benefit of having an instant on if the power goes out.  This lamp is ideal for warehouses and street lighting where long-life will save you money by lengthening your maintenance cycle. This HID lamp requires a S50 ANSI code ballast to operate. 

  250 Watt Philips Clear HPS Dual Arc Tube Lamp
with Mogul Base (ED18)

Product Specifications

Manufacturer Philips Lighting
Product Number 377176
Watts 250
Beam Angle 360°
Base Type Mogul (E39)
Bulb Style ED18
Length 9.75 Inches
Diameter 2.25 Inches
Lumens 27,500
Color Rendering Index (CRI) 21
Color Temperature  2100K
Rated Average Life 24,000 / 40,000 Hours
Energy Star Qualified No
Dimmable No
Full Product Name HPS 2 250W S50 E39 ED18 CL
Ordering Code C400S51/2
Case Quantity 12
Technology High Pressure Sodium (HID)
Alternate Product Number 37717-6
Specification Sheet

Features & Benefits

• Not Dimmable
• Long life of 40,000 hours in most applications
• Has mogul screw in base (E39)
• Contains mercury 

• Universal design mean that it will burn at any angle placement
• 2100K color temperature (very yellow light)
• Produces 27,500 lumens
• Designed with dual arc tubes for instant restrike (does not need to cool down)


• Ideal for use in parking lots, garages and industrial applications where security is a concern.

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