Keystone's DirectDrive compact LED bulbs are an energy efficient, long lasting, CFL bulb replacement for a variety of applications. Keystone’s UL Type B 4-pin LED bulbs provide 50% energy savings when compared to a typical CFL fixture and have 4x the useful life.
Using a UL Type B ballast bypass design, these DirectDrive 4-pin LED bulbs eliminate the need for an external driver or ballast. By offering a CFL bulb replacement with ballast bypass capabilities, Keystone takes away any guesswork of ballast compatibility. This makes installation quick and easy and with a 50,000 hour lifetime, you won’t need to replace these compact LED bulbs any time soon.
This Keystone PLL lamp is the KT-LED8PLL-9GC-8(XX)-D, it consumes just 8.5 watts of energy and is approximately 50% more energy efficient than the standard FT40/2G11 lamps. The insolated integrated driver eliminates the need for an external ballast or driver. This lamp produces between 950-980 lumens of 3000K warm white, 3500K bright white, 4000K cool white and 5000K daylight, for a total of 80 CRI. These lamps have a long life of 50,000 hours and come with a 5 year warranty.
|Color Temperature (Kelvin)||3000K Warm White||3500K Bright White||4000K Cool White||5000K Daylight|
|Lumens||950 Lumens||950 Lumens||980 Lumens||980 Lumens|
|Efficiency (Lumens Per Watt)||112 LPW||112 LPW||115 LPW||115 LPW|
|Ballast Operation||Type B Ballast Bypass|
|Rated Life||50,000 Hours|
|CRI (Color Rendering Index)||80|
|Fluorescent Equivalent||24 Watt|
|Operating Temperature||-4° F to 113° F|
|Dimensions||1.7" W x 8.5" MOL|
|Environment||Enclosed, Damp Location|
|Warranty||5 Year Limited Warranty|