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Ushio 5000938 UMH-400/U - 400W - ED28 - E39 Mogul Base - Standard Start Metal Halide - 6ct

Ushio 5000938 UMH-400/U - 400W - ED28 - E39 Mogul Base - Standard Start Metal Halide - 6ct

  • $57.95

($9.65 Each - Sold in Case of 6)

Contact Us for Lead Time.

This product is an Ushio 5000938 UMH-400/U/ED28 standard start metal halide lamp. It is a 400 watt lamp with an ED28 bulb shape and an E39 Mogul base.

Ushio's UMH metal halide lamps are introduced with the lighting distributor in mind. This family of industry standard metal halide lamps are interchangeable with existing medium and mogul base lamps that are widely used in the industry today.

Wattages range from 50 up to 1000, and are available in both medium and mogul base configurations.

Features & Benefits

  • High efficacy 3 to 5 times more efficient than incandescent
  • White light; 65-75 CRI
  • Lamps are manufactured to standard ANSI specifications
  • Long life
  • Clear bulb finish


  • Commercial and Industrial
  • Flood Lighting
  • Stadium and Arena
  • Tennis and Racquetball Courts
  • Downlighting
  • Parking Garages
  • Security
  • Wall Scones
  • Signage

Cross Reference Part Numbers

  • Eiko 49463 MH400/U/ED28
  • GE 18904 MVR400/U/ED28
  • Grainger 5V658
  • Halco 108216 MH400/U/ED28
  • Osram Sylvania 64441 MS400/BU-ONLY/BT-28
  • Osram Sylvania 64488 M400/U/BT-28
  • Philips 24673-6 MS400/BU/ED28
  • Philips 27862-2 MH400/U/ED28
  • Philips 42602-3 MH400/U/ED28
  • Satco S5843 MH400/U/ED28
  • Satco S4278 MS400/BU/ED28
  • TCP 46352 MH400W/U/ED28
  • Ushio 5000938 UMH-400/U/ED28, E39
  • Westinghouse 3701400 MH400/U/M59/ED28/E

About Ushio

Founded in 1964, Ushio's main business is specialty lighting. Types of products offered include stage/studio bulbs, medical lamps, digital lighting and video processing equipment, ultraviolet, and LED systems. Their lighting equipment is used in projection, life sciences, infection prevention, semiconductor, and specialty lighting applications.

ANSI CodeM59/E
BaseE39 Mogul
Bulb ShapeED28
Burn PositionAny
Color Temperature4000
Country of OriginUnited States
Initial Lumens34000
Lamp TypeMetal Halide
Mean Lumens22000
Rated Life Hours20000

ProLampSales Order Code7708360343806
HS Code853932


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Expedited Shipping Rates

For expedited shipping, please contact us for a price quote and cutoff times.

Continental United States

  • Shipping for most orders is calculated at checkout*
  • If you want to ship on your own UPS/Fedex account, please contact us

*Certain restrictions apply, including oversize, heavy objects, and some fixtures/equipment.

For large, heavy, or oversized items, additional shipping charges may apply. The site may not correctly calculate freight shipments at time of order. Large counts of smaller products may also result in additional shipping costs. We apologize for any inconvenience this may cause. Please contact us for an estimate on large items to determine an accurate shipping cost.

Alaska & Hawaii

  • Shipping calculated at checkout

US Territories

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International Shipping

Contact us for a quote. We do not ship most glass bulbs and fixtures internationally. If you have your own UPS/Fedex/DHL account, we may be able to ship using that.

Shipping to US-Based Freight Forwarders

For shipments to freight forwarders, we are only responsible for shipping to the freight forwarder directly. Please have your freight forwarder check your items for damage. We are not responsible for shipping damages incurred at or after the items leave the freight forwarder.

Business Office Hours

We can be reached by phone (800-784-1998) weekdays from 7:30am to 5pm Pacific Time.

Our business office is closed Saturday and Sunday throughout the year, Memorial Day, Fourth of July, Labor Day, Thanksgiving day, Christmas day and New Year's day.

Orders can be placed on the website at anytime - 24/7.

California Title 20 Notice

Certain general service lighting products are no longer allowed to be sold in California. We make every attempt to inform you before purchase which items are unable to ship to California. If we discover an item you purchased can not be shipped, we may have to cancel the order. We apologize for any inconvenience this causes. Please contact your state representative for more information.

California Prop 65

California Prop 65 WarningWARNING: Cancer and Reproductive Harm -

Returns Policy

Returns are sometimes necessary. Our policy is to provide you with a hassle-free return experience.

Accepted Returns

Items Damaged in Shipping

If the product was damaged during shipping, first keep all packing materials, then call or email us to report the damage. Damage must be reported with 3 days of you receiving the shipment. We will have you return the product using the Returned Material Authorization (RMA) we will provide. We will send you a new product or provide a full refund and we will reimburse you for any shipping charges you may incur.

Missing Items

If all the items you ordered are not in the shipment, call us within 3 days of receiving the shipment so we can promptly send the missing item(s).

Wrong Product Ordered or Product No Longer Needed

If you ordered the wrong product call or email us so we can help you get the correct product. If the product purchase error was in no way the fault of information provided on, you are responsible for the return shipping cost and a 25% re-stocking fee.

30 Day Return Policy

Items ordered from ProLampSales can be returned within 30 days of receipt of the shipment in most cases. Please check that all of your items are present and in working condition within this timeframe.

After 30 days, if the product does not perform to specifications or fails within stated warranty periods, see manufacturer warranty information for procedures to follow.

Products that Differ from Our General Return Policy

International Orders

International orders may be non-returnable. Please contact us before ordering.

Gas Detectors & Air Quality Monitors

For safety reasons, we do not accept returns on gas detectors or air quality monitors. Once these products leave our warehouse, we can not be sure what environments they are used/stored in or what dangerous gases or pollutants they are exposed to.

Larson Electronics

Larson Electronics products of any kind are non-returnable. Larson Electronics orders are subject to a minimum 15% (and up to 100%) pre-shipment cancellation fee. If you need help with a product, please contact us before ordering or verify that you are ordering the correct item.


Non-Quick Ship Soraa brand products are non-returnable. If an error was made in order fulfillment or shipping, replacements may be sent out or a refund issued.

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