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Clear ED28 metal halide bulb with E39 base

SYLVANIA

SYLVANIA 64043 175W Metal Halide ED28 E39 Base

SKU CH-BKEW-TNQJP

A 175 W pulse-start metal halide lamp delivering 14,400 lumens at 4000 K with a 12,000-hour rated life and E39 base

  • TypeHigh Intensity Discharge
  • Lumen Range14400
  • Wattage175
  • Color Temperature4500K
  • Life Time Hours12000
  • Color Rendering Index65
  • 14400 lumen output for bright area lighting
  • 175 watt metal halide pulse-start technology
  • 4500K cool white colour temperature
  • 12000 hour rated life reduces replacement frequency
  • E39 base fits standard industrial fixtures

Application Fit

The 175 watt metal halide lamp delivers 14400 lumens at a 4500K colour temperature with a CRI of 65. It uses an E39 base and a BT28 envelope, making it suitable for industrial and commercial fixtures that accept this ANSI M152/E designation. The universal burn position allows flexible mounting. Buyers needing a different base type or a lower lumen output should choose another lamp.

Build Integration

The pulse-start design reduces colour shift over the rated 12000 hour life. An enclosed fixture is required for safe operation. The lamp draws 175 watts and must be paired with a compatible metal halide ballast. No additional components are included. Installations that cannot accommodate an enclosed fixture or lack the correct ballast cannot use this product.

Sustained Operation

Under continuous use the lamp maintains its rated output and colour stability for the full 12000 hour lifetime. The pulse-start technology supports consistent performance throughout the operating period. The clear BT28 bulb ensures maximum light transmission. Fixtures without proper enclosure or ballast matching will not achieve the rated lifespan.

Highlights

  • 14400 lumen output for bright area lighting
  • 175 watt metal halide pulse-start technology
  • 4500K cool white colour temperature
  • 12000 hour rated life reduces replacement frequency
  • E39 base fits standard industrial fixtures

Specifications

BrandSylvania
TypeHigh Intensity Discharge
Lumen Range14400
Wattage175
Color Temperature4500K
Life Time Hours12000
Color Rendering Index65

Questions about this item

How many hours will the 175-watt metal halide lamp last before replacement?

The rated life is 12000 hours under normal operating conditions.

How much heat does the 175-watt bulb add to an enclosed fixture during continuous operation?

At 175 watts the lamp converts most input power into heat, so the fixture must be rated for enclosed use and provide adequate ventilation.

Which ballast ANSI code is required for this pulse-start metal halide lamp?

The lamp is designed for ANSI M152 ballasts and will not operate correctly on other codes.

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