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Sold in Quantities of:
1 unit(s)
ALB Price: $67.49 per item
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-G2 - 2nd Generation - LED Corn Cob Retrofit Bulb 120-277V The Keystone Direct Drive HID LED corn cob style LED lamp has a lumen output of 8,100 lumens. E39- Mogule Base - This lamp will replace a 250W metal halide lamp. Ballast must be bypassed and direct wired to 120-277V. 5 year warranty The Keystone KT-LED54HID-E39X-850-D-G2 - 2nd Generation lamp is an excellent energy-efficient replacement to retrofit a wide variety of traditional light fixtures. With an efficacy of 150 lpw, the Keystone LED corn cob lamp can replace standard Incandescent, HPS, MH, MV and CFL bulbs in both new and retrofit fixtures for significant energy savings.

LED Corn Cob Retrofit Bulb for HID Replacement

Switching over to efficient LED lighting is a great way to save on energy costs and reduce your carbon footprint. This LED corn cob retrofit bulb is a fantastic replacement for standard Incandescent, HPS, MH, MV, and CFL bulbs in both new and retrofit fixtures. With an incredibly long lifespan and little to no maintenance required, this lamp is a fantastic buy.

Lamp Specifications:

  • Keystone Technologies brand
  • LED technology
  • 50000-hour lifespan
  • 8100 lumen output
  • 250 equivalent wattage
  • 54 actual wattage
  • 120-277V
  • 5000K color temperature
  • 360 beam degrees
  • 80 CRI
  • T bulb shape
  • Mogul screw (E39) base
  • Suitable for outdoor use
  • Non-dimmable
  • DLC listed
  • 9.8” x 3.34”
  • IP64 certified
  • 5-year manufacturer’s warranty
  • Integral Driver eliminates the need for external driver or ballast
  • Includes 4kV surge protection

Expert Customer Support

Selecting compatible products for your lighting project can get complicated. We’re here to make it easy for you. If you have any questions about this LED corn cob retrofit bulb, just give our dedicated experts a call. We proudly offer more than 30 years of expertise, and we’re happy to help you make an informed decision every step of the way.

Save On Quality Lighting Solutions

At Atlanta Light Bulbs, we keep our prices low without compromising the quality our customers expect from us. Place your order through our secure website with confidence. If you would like assistance with your order, please call us at 1-888-988-2852 or message us online now. Get the best deal on this Keystone Technologies LED corn cob retrofit bulb at Atlanta Light Bulbs.

This Item Replaces

This product is a direct replacement for the following items:
  • KT-LED54HID-EX39-850-D


Minimum Qty 1
Brand Keystone Technologies
Technology LED
Actual Wattage 54
Equivalent Wattage 250
Voltage 120-277
Lumen Output 8100
Lumens Per Watt 150
Color Temperature (Kelvin) 5000
Color Rendering Index 80
Light Color
Bulb Shape T
Base Type Mogul Screw (E39)
Burn Position
Beam Degrees 360
Ansi Code
Ballast Factor
Ballast Start Type
Useful Life Hours 50000
Dimmable No
Outdoor Rated Yes
DLC Certified Yes
LDL Certified No
LM79 Certified No
LM80 Certified No
TM21 Certified No
Energy Star Rated No
Manufacturer Code KT-LED54HID-EX39-850-D/G2
Manufacturers Notes - Replacement for Conventional Metal Halide Lamp -Non-Dimmable; Do Not Dim - 50,000+ Hour Lifetime - Environmentally Friendly: No Mercury Used - Instant Startup - UL Listed - Operating Temperature: -29ºC/-20ºF to 60ºC/140ºF - Integral Driver, Eliminates the Need for External Driver or Ballast; Includes 4kV Surge Protection - IP64 Rated; Integrated Heat Sink Quickly Dissipates Heat and Guides Water Intrusion Out of the Lamp - Suitable for Use in Fully Enclosed Fixture
Diameter (Inch) 3.43
Dimensions (Inch) 9.8(Length) • 3.34(Width) • 0.00(Height)


Warranty: 5 year warranty
Lead Time:
IN STOCK – Same Day Shipping (order by 4PM ET M-F)

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