LED Outdoor Lamp Corn Cob


Metro LED Lighting Corn Cob LED Lamp is a replacement lamp for upgrading streetlights/pole fixtures, lanterns, and other outdoor lighting to high efficiency LED. Large Lumen range, large operating temperature and quick field installation.

Specification Summary
Lumens 3,150 - 14,300 Watts 28 - 120
Distribution Type V DLC Qualified
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LED Replacement Lamp - Outdoor Lighting with E39 Base

The E39 LED lamp series provides energy savings of 60 - 80% when retrofitting inefficient HID and old incandescent HID lamps. It is very energy efficient, producing 120 lumens per watt. This Corn Cob LED style series of lamps operates on typical AC line voltages, using no HID ballasts. As a retrofit solution it is maintenance free and eliminates the dimming of light output as a result of lumen depreciation from HID lamps. This is a very economical, competitive, and energy-efficient upgrade for existing fixtures. The LED Corn Cob with an E39 Base is simple and fast to install. It simply retrofits to the HID screw based socket and is well suited to upgrading recessed cans, bollards, post tops and decorative pole lighting, lanterns, parking lot lighting fixtures and many other commercial outdoor lighting applications. The E39 LED Corn Cob style lamp has a 10 year warranty and is DLC listed, with rebates are widely available.

High Performance Outdoor E39 Corn Cob Lamp Retrofit

The E39 LED Outdoor Lamp is high performance and provides a wide range of wattage and lumen performance from 28W / 3,150lm to 120W / 14,367lms and CCT options from 2,700K to 5,000K. The ≥280° optics provide the omni-directional characteristics of CFL and HID lamps with zero maintenance and a much longer life than typical HID lamps or CFLs. This Corn Cob LED lamp incorporates advanced thermal design features using isolated driver and LED component for optimum lumen performance and long life in higher temperature applications such as enclosed fixtures and hot weather climates. This fixture incorporates the highest quality components including Samsung LED’s and Rubycon electronics for maximum lifespan and reliability.

Specify this E39 LED Lamp when you have HID fixtures that are in good condition, or a design that you wish to preserve, to lower energy use and lower maintenance costs.

Benefits of LED Corn Cob Retrofits and HID Lamp Replacement

  • Enables upgrades to efficient LED while keeping existing HID fixture.
  • Very high efficiency E39 LED Lamp at 120 lumens/ watt
  • For municipal, commercial or others clients who want to maintain the look and feel of their architectural / historical fixtures, this lamp provides a retrofit at very low costs, compared to full outdoor fixture replacements.
  • Retrofitting outdoor lighting fixtures with the E39 LED Lamp allows the “look” to be maintained while taking advantage of the cost savings and light quality of LEDs.
  • A replacement LED fixture is more expensive than HID retrofit lamps and delivers high return on investment and quick paybacks.
  • Quick installation is often achieved with these E39 LED retrofit lamps, the ballast is bypassed and the HID lamp socket is reused. Because it is an LED Lamp replacement, future servicing can be done without an electrician.
  • Wide ranges of Wattage/ Lumen output packages, from 3,150 Lumens to 14,300 lumens, replacing 70W HID Lamps to 500W HID Lamps.
  • Has integrated LED drivers, with a universal power supply for voltages from 120VAC to 277VAC.
  • Extensive range of Color Temperatures to meet lighting design requirements and the ability to match the look and feel of incandescent lighting.

LED Outdoor Lamp Corn Cob - Specification
Model ECO-RP-CC360D2 Watts Range 28- 126W
Rebates DLC Warranty 10 year
Size 8.98 in, 11.30 in / N/A / 3.66 in, 5.87 in Weight 1.6- 3.8 lbs
Colors white Options n/a
Accessories n/a Lumens / Watt 120 lm/W
Lumens 3,150- 14,300 lm CCT Range 2700- 5,000 K
L-70 50,000 CRI 85
Distribution other Volts 120-277VAC

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DLC Listed?

The DesignLights Consortium™ (DLC) is a collaboration of utilities and energy efficiency organizations to accelerate energy efficiency measures in commercial buildings. The rebate process that many utilities use requires DLC qualified products to be installed and substantial energy savings realized. As part of the lighting rebate process, the DLC List is the first step in examining outdoor lighting and other projects for rebate eligibility. The DLC list requires LED fixture manufacturers submit test results from certified labs on the luminaires to be qualified, or 'listed' by the DLC. The reports submitted for the DLC qualification process include the LM-79 report that quantifies the LED fixtures performance, as well as, the LM-80 report that examines the actual LED light engine and uses TM-21 methods to project LED lifetimes. By submitting these reports and undergoing the DLC Qualification Process, assures that the Manufacturer of LED lighting products, have met certain minimum specifications for performance, as well as reassurance to the buyer.

DLC List - Specifications for Outdoor and other LED Lighting

For people procuring LED light fixtures, being on the DLC Qualified Product List, assures that the LED outdoor lighting manufacturer specifications have been reviewed and meet minimum performance parameters. The main DLC Qualified Product List performance specifications include:
  • Minimum light output (lumens) from the LED fixture based on lighting application type
  • Zonal Lumens - How the light output is distributed from the fixture to its lighting task
  • Minimum luminous efficiency - How many watts of energy does it take to produce light in lumens per watt
  • Correlated Color Temperature (CCT) - A measure of how the light appears from warm colors like incandescent at a 1,600K CCT to noon bright white at 5,000K CCT.
  • Color Rendering Index - An indication of how color appears under reflected light of the LED fixture. Typical HID metal halide ratings are in the CRI 60 range, incandescent light by definition is a CRI of 100.
  • Lumen Maintenance (L-70) is a projected value of when an LED light source will produce 70% of its original light output. It is listed in hours and the accepted value for the end-of-life for an LED fixture. An L-70 lifetime rating is temperature dependent and is usually listed at 25° C. An L-70 lifetime of 50,000 hours at 12 hours per day of LED fixture use is 11.4 years of outdoor lighting fixture use.
  • Warranty - The DLC requires some more tea of five years

DLC List and Rebates for LED Outdoor Lighting

LED lighting rebates are most often offered by Electric Utilities, and sometimes by State grant making organizations. Rebates are highly variable, and have many different requirements to be eligible for rebates. But in general, a product that is qualified on the DLC List is a good indication that rebates for outdoor lighting can be obtained. A good first source for finding rebate information is the DSIRE (Database of State Incentives for Renewables & Efficiency). Outdoor lighting rebates are generally of two types, qualified product rebates and performance based programs. Qualified product rebates are most often a rebate of a fixed amount per fixture replaced, while the performance based programs are based on the kilowatt hours or peak kilowatts of load electricity saved.

Rebate Process for LED Outdoor Lighting

Determination of which option is optimal in obtaining outdoor lighting rebates will require a modest amount lighting design and economic analysis. In overview, the rebate process involves:
  • Inventorying existing HID lighting fixtures,
  • Determine what lighting levels are required for the outdoor lighting application,
  • Selecting LED fixture will meet these lighting requirements at the lowest possible energy use
  • Compiling a spreadsheet of existing lighting fixtures compared to the proposed fixtures
Most utilities will require a spreadsheet that lists what HID fixture is being replaced with what DLC Listed product. The spreadsheet will often articulate the savings per fixture count, application type (e.g. garage lighting), and the total kilowatt hours saved and the load reduction in kilowatts. Based on this information the utility can quickly qualify the LED lighting installation for rebates, and give a general indication of the rebate amounts and levels. After the project is installed, most often certifications are required by the property owner that the installation has been completed, and in some cases, a site inspection will take place. The Utility or other rebate grantor will then mail a check to the property owner for the agreed rebate amount.