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Clear tubular metal halide bulb with mogul base

Antique Light Bulb Co.

Antique Light Bulb Co. MH250/U 250W 4000K E39 Mogul Base M58 Metal Halide Standard Bulb

SKU CH-0GWP-HZ12J

A 250 W metal-halide lamp with an E39 mogul base delivering 21 250 lumens at 4000 K, a CRI of 65 and a rated life of 10 000 hours

  • TypeHigh Intensity Discharge
  • Lumen Range21250
  • Wattage250
  • Color Temperature4000K
  • Life Time Hours10000
  • Color Rendering Index65
  • 21,250 lumens deliver bright illumination for large areas
  • 4000K cool white light suits commercial and outdoor settings
  • 10,000-hour rated life reduces replacement frequency
  • E39 mogul base fits standard industrial fixtures
  • 65 CRI provides acceptable colour rendering for general use

Purpose and fit

This 250 watt metal halide bulb fits fixtures that accept an E39 mogul base and are rated for M58 operation. It is intended for commercial or outdoor installations that require high-output white light. It is not for buyers who need a standard household screw base or a lower wattage lamp.

Deciding specification

The lamp delivers 21250 lumens at a 4000K colour temperature with a colour rendering index of 65. Verify that the ballast and fixture are approved for 250 watt M58 metal halide before purchasing.

Sustained operation

Rated life is 10000 hours under continuous burning cycles typical of area and high-bay lighting. Output and colour stability are maintained across the rated lifespan when operated on a compatible ballast.

Highlights

  • 21,250 lumens deliver bright illumination for large areas
  • 4000K cool white light suits commercial and outdoor settings
  • 10,000-hour rated life reduces replacement frequency
  • E39 mogul base fits standard industrial fixtures
  • 65 CRI provides acceptable colour rendering for general use

Specifications

BrandBulbamerica
TypeHigh Intensity Discharge
Lumen Range21250
Wattage250
Color Temperature4000K
Life Time Hours10000
Color Rendering Index65

Questions about this item

How bright will the 21250 lumen output appear in a typical high-bay fixture?

The 21250 lumen rating is the initial lamp output; actual delivered light depends on fixture optics, reflector efficiency and mounting height.

What does the E39 mogul base and M58 designation mean for ballast compatibility?

The E39 base fits standard mogul sockets; M58 identifies the ANSI ballast type required for this 250 W metal halide lamp.

What clearance is needed for the E39 base and overall bulb length?

The lamp uses an E39 mogul base; allow enough vertical space in the fixture for the full bulb length plus base depth.

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