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Sold in Quantities of:
6 unit(s)
ALB Price: $14.88 per item
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400W Metal Halide ED37 Shape - Clear 4000K. The MH400/U 6PK Philips brand is an Industrial/Commercial metal halide lamp. This lamp has a E39-Mogul base. Product code 274498 This lamp runs on an M59 Ansi coded ballast. 20,000 hour rated.

MH400/U Philps Lighting 400W Metal Halide Lamp

This versatile Philips ED37 lamp is suitable for a wide range of industrial, commercial, and residential applications. Metal halide lamps provide excellent color rendition, and they’re often used for security lighting, retail stores, factories, and other indoor and outdoor areas. Efficient and long-lasting, this lamp is an economical choice.

Lamp Specifications:

  • Philips Lighting brand
  • HID technology
  • 20000-hour lifespan
  • 36000 lumen output
  • 400W
  • 4000K color temperature
  • Universal burn position
  • 65 CRI
  • ED37 lamp shape
  • Mogul screw E39 base
  • M59E ANSI code
  • Suitable for outdoor use
  • Non-dimmable
  • 11.5” x 4.625”

Free Expert Assistance

In order to make your experience at Atlanta Light Bulbs smooth and easy every step of the way, we offer outstanding customer support at free of charge. If you have any questions related to lighting, our qualified specialists are here to assist you. Selecting the right lighting products and installing them properly can be confusing at times, but we help you streamline the process and make informed decisions so you can focus on your project.

Shop for Quality Lighting Solutions Online

Whether you’re upgrading your entire building to LEDs or replacing one ED37 lamp, you can count on Atlanta Light Bulbs for the largest selection, lowest prices, and best customer service. We even carry many specialty lighting products that are difficult to find elsewhere. We encourage you to call 1-888-988-2852 or message us for any reason. Save on brand-name lighting at Atlanta Light Bulbs.

This Item Replaces

This product is a direct replacement for the following items:


Minimum Qty 6
Brand Philips
Technology HID
Actual Wattage 400
Equivalent Wattage
Lumen Output 36000
Lumens Per Watt
Color Temperature (Kelvin) 4000
Color Rendering Index 65
Light Color
Bulb Shape ED37
Base Type Mogul Screw (E39)
Burn Position Universal
Beam Degrees
Ansi Code M59E
Ballast Factor
Ballast Start Type
Useful Life Hours 20000
Dimmable No
Outdoor Rated Yes
DLC Certified No
LDL Certified No
LM79 Certified No
LM80 Certified No
TM21 Certified No
Energy Star Rated No
Manufacturer Code 274498
Manufacturers Notes
Diameter (Inch) 4.625
Dimensions (Inch) 11.5(Length) • (Width) • (Height)


Lead Time:
IN STOCK – Same Day Shipping (order by 4PM ET M-F)

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