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Topaz MH400/U-37 - Metal Halide ED37 Bulb - 4000K - 400W Mogul E39

SKU:
HO-T74687-37
$30.00
Customer Reviews

Description

Commercial High-Output HID Lamp | Cool White 4000K For High-Bays, Parking, And Floodlighting Applications

Designed as a dependable replacement for legacy probe-start fixtures, the Topaz MH400/U-37 delivers high lumen output and consistent cool white illumination to minimize maintenance intervals in large commercial and industrial spaces. Its universal burning position and robust ED37 construction make it a trusted choice for high-bays, parking, and exterior floodlighting where reliable HID performance is required.

KEY FEATURES:

  • High Output: Produces 38,000 lumens for bright, wide-area illumination.
  • Ballast Requirement: Requires a matching ANSI M59 magnetic ballast circuit and compatible capacitor for proper operation.
  • Start & Restart Notes: Probe-start design needs a 3-5 minute warm-up and a 10-15 minute cool-down window before safe restrike after power interruptions.
  • Universal Position: Operates in a universal burning position for flexible installation.
  • Enclosed Fixture Rated: Rated for enclosed fixtures when specified as Open-Closed Rated.

APPLICATIONS:

  • Ideal for warehouse high-bays and manufacturing facilities requiring high-output HID lighting.
  • Well-suited for parking lot and exterior floodlighting where long-range illumination is needed.
  • Common choice for commercial arenas and large retail exteriors seeking robust, proven HID performance.
  • Tip: Pair with a properly sized ANSI M59 magnetic ballast and allow recommended warm-up/cool-down intervals to maximize lamp life.

SPECIFICATIONS:

  • Product Code: MH400/U-37
  • Topaz by Halco SKU: T74687-37
  • Manufacturer: Topaz
  • Wattage: 400W
  • Lumens: 38,000 lm
  • Color Temperature: 4000K
  • Technology: HID (Metal Halide)
  • Bulb Type: ED37
  • Base Type: Mogul (E39)
  • Voltage: 120V
  • Average Life: 20,000 hrs
  • Warranty: 2 years
  • Operating Position: Universal
  • Open - Closed Rated: Enclosed Fixtures Only
  • Sold In Multiples Of: 1
  • Master Carton Size: 12
  • Weight Per Item: 0.875 (lb)
  • Dimensions (L×W×H): 4.3 × 5.1 × 11.2 (in)

CERTIFICATIONS & ADDITIONAL NOTES:

  • RoHS: Yes
  • Application Notes: Requires compatible ANSI M59 magnetic ballast and capacitor; allow warm-up and cool-down intervals to ensure safe restrike and full brightness.

Downloads

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Disclaimers

*This product typically ships in 2 to 3 business days. Larger quantities may take longer than the stated lead-time. All lead-times are estimates, and you will be notified by email if it will take longer than 5 business days to ship. Halco products ship directly from the manufacturer and require a combined minimum purchase of $150 in Halco merchandise. Multiple Halco items may be combined to meet the minimum.

Extra Information

Brand:
Halco
UPC:
751338018037
Collection:
Topaz
SKU:
T74687-37
Product Code:
MH400/U-37
Shape:
ED37
Base:
Mogul (E39)
Wattage:
400 Watt
Lumens:
38000 lm
Color Temperature:
4000K
Light Color:
Cool White
Dimmable:
No
Technology:
HID
Voltage:
120V
Average Life:
20,000 Hours
RoHS Compliant:
Yes
Warranty:
2 Years

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