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250 Watt HID Metal Halide Pulse Start Clear Base Up ED28 Bulb, EX39 Base

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250 Watt HID Metal Halide Pulse Start Clear Base Up ED28 Bulb, EX39 Base
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HID metal halide pulse start clear base up ED28 bulb, EX39 base, 250 watts, 20,000 lumens, available in 4000K color temperature (CCT), up to 15,000 hours rated life.

ProLume® Pulse Start lamp and ballast systems consume less energy compared to standard Metal Halide systems, all while providing the same lumen output. They boast better light quality than both High Pressure Sodium and Mercury Vapor lamps. These lamps are unaffected by standard ambient temperature and suitable for indoor and outdoor use.

  • Protected Lamps available for open and closed fixtures
  • High efficacy, up-to 110 lumens per watt
  • Improved lumen maintenance


  • BT37, ED17, ED28 and ED37
  • Medium, Mogul and EX39 bases available
  • 50 to 1000 watts
  • Clear and coated
  • Long life, up-to 20,000 hours average rated life
  • Color temperatures of 3700K & 4000K
  • Consistent lamp-to-lamp color
  • Improved color rendering compared to High Pressure Sodium and Mercury Vapor lamps


  • Medium and Mogul base porcelain sockets available to replace a Probe Start socket with Pulse Start rated 4kV socket


  • Industrial
  • Commercial
  • Municipal


  • Roadways
  • Parking Lots
  • Retail
  • Security
  • Wall Washes
Weight 6.00 LBS
Light Source LED
Fixture Size Other
Driver Type -
Luminaire Efficacy Rating (LER) -
Color Rendering Index (CRI) 65
Lumen Output 20,000lm
L70 Expected Life (hours) 15,000hrs
Color Temperature (CCT) 4000K
Total Input Watts 200W


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