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250 Watt Clear ED-28 Philips Metal Halide Lamp
250 Watt Clear ED-28 Philips Metal Halide Lamp
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Manufacturer: Philips Lighting
Product Number: 291690
SKU Number: 049353

General Description: This Philips 250 watt clear switch start metal halide lamp requires a M58/E ballast to operate and is rated for enclosed fixtures only.  It will produce up to 21,250 lumens of light and is engineered to last for 10,000 hours on average.

250 Watt Philips Mogul Base Switch Start
Clear Metal Halide
 Light Bulb

Product Specifications

Manufacturer Philips Lighting
Product Number 274845
Volts 133 Volt
Watts 250
Beam Angle 360°
Base Type Mogul (E39)
Bulb Style ED28
Length 8.3 Inches
Diameter 3.5 Inches
Lumens 21,250
Color Rendering Index (CRI) 70
Color Temperature  4000K
Rated Average Life 10,000 Hours
Energy Star Qualified No
Dimmable No
Full Product Name MH 250W/640 Mog ED28 CL U
Ordering Code MH250/U
Case Quantity 12
Technology Switch Start Metal Halide
Alternate Product Number 27484-5
Specification Sheet

Features & Benefits

• Requires M58/E ANSI code ballast
• Mogul base (E39)
• High CRI of up to 70
• 36 mg of mercury in the light bulb
• 4000K color temperature 
• Produces 21,250 initial lumens with mean lumens of 13,500


• Ideal for security, parking lot or roadway lighting

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