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The Business Lighting Experts

LED Plug-in Light Bulbs

Keystone Non-Dimmable 8.5W 3500K 4 Pin Shatterproof Glass Single Twin Tube PLL LED Bulb, Ballast Bypass

SKU: KT-LED8PLL-9GC-835-D | Ordering Code: KT-LED8PLL-9GC-835-D  | UPC: 843654131238

$14.99each
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Options

Bulb Color
Bright White Cool White Neutral White
Color Temperature (Kelvin)
Color Temperature Guide 3500 4000 5000

Product Highlights

  • Estimated life of 45.7 years based on 3 hours use per day
  • No lead or mercury means easy and environmentally safe disposal
Description

Lighting Facts Per Bulb

Brightness 950 lumens
Estimated Yearly Energy Cost $1.02
Based on 3 hrs/day, 11¢/kWh
Cost depends on rates and use
Life
Based on 3 hrs/day45.7 years
Light Appearance
WarmCool
3500 K
Energy Used8.5 watts
  • NSF
    Certified

Keystone 8.5 watt 3500K shatterproof glass non-dimmable PLL LED lamps are a ballast bypass LED lamp. Simply cut out the existing ballast and plug in the Keystone lamp. They are an ideal energy saving choice for existing PL-L fluorescent fixtures. Suitable for use in fixtures where ambient temperature is between -4°F to 113°F. 

The ballast must be bypassed when present.

  • Direct replacement for an 18W fluorescent PLL lamp
  • Perfect for applications with frequent "on/off" switching cycles, and buildings that desire to be mercury free
  • Instant on, no flicker or buzz
  • Emits virtually no UV rays or IR
  • Frosted lens eliminates pixelation
  • Suitable for damp locations 
  • The lamp measures 9" and the illuminated length is 5.5"
  • NSF Listed - NSF/ANSI Standard 2 - Food Equipment

 

Full Specs

Brand

Keystone

Model Number

KT-LED8PLL-9GC-835-D
Energy Used
A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value.
8.5 Watts
Fluorescent Equivalent
The total wattage of fluorescent lamps in a fixture that this fixture replaces.
18
Volts
A measure of "electrical pressure" between two points. The voltage specification of an incandescent lamp is the electrical "pressure" required to drive it at its designed point. The "voltage" of a ballast (e.g. 120 V) refers to the line voltage coming from the power source and is connected to the ballast.
120-277
Base
The end (or ends) of the lamp that fits into the socket.
2G11
Bulb Shape
The description of the general appearance of a lamp/bulb consists of a letter(s) followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. For example, a common household bulb is the A-19. The bulb is "A" shape and the diameter would be nineteen 8ths of an inch, or 2 3/8".
Single Twin Tube
Bulb Color
The color of the light produced by a bulb
Neutral White
CRI
Color Rendering Index is an international system used to rate a lamp's ability to render object colors. The higher the CRI (based upon a 0-100 scale) the richer and more accurately colors generally appear. CRI differences among lamps are not usually visible to the eye unless the difference is more than 3-5 points.
80
Color Temperature (Kelvin)
An expression of the hue of the light emitted, measured in degrees Kelvin. Usually expressed by a four digit number followed by (k), such as 2700k. Higher temperatures indicate whiter, "cooler" colors, while lower temperatures indicate yellower, "warmer" colors. Some common Kelvin temperature benchmarks are 2700k (warm white), 3500k (neutral white), 4100k (cool white), 5000k (bright white), and 6500k (daylight).
3500
Brightness (Lumens)
A rating of the initial light output of a bulb, rated after 100 hrs of operation. Lumens are a measure of how much light falls on one square foot of area, one foot away from the light source.
950
Bulb Finish
The surface finish of a bulb, which may affect the quality of the light emitted.
Opaque
Bulb Technology
The technology implemented by the bulb, e.g. incandescent, halogen, LED
LED
Average Rated Life (hr)
A measurement of the average length of time, between first use and the point when 50% of the lamps tested have stopped functioning, , using an operating cycle of 3 hours on, 20 minutes off.
50000
Operating Temperature (°F)
The ambient temperature in which the product can safely operate.
-4 to 113
Beam Angle (°)
The width of a light beam, expressed in degrees. The beam angle is often part of the ordering code for reflector lamps. For example, a 50PAR30/HIR/NFL25 is a 50-watt PAR30 narrow flood lamp with a beam angle of 25 degrees.
160
Bulb Power Type
Defines how a lamp is powered, whether it needs a ballast or not, or can use either
Ballast Bypass
Length (in)
Also referred to as "Maximum Overall Length" (MOL). For light bulbs, it measures the length of a light bulb, from the top of the bulb to the bottom of the base or pins and is typically expressed in inches. For light fixtures and ballasts, it applies to the total horizontal length of the item.
9
Width (in)
For fixtures and ballasts, width is the measurement of the total horizontal distance from left to right of the product in inches.
1.7
Orientation
The angle that the fixture can be mounted at
Any

Warranty

5 year limited
Damp Location
Suitable for an exterior or interior location that is subject to condensation of moisture in, on or adjacent to electrical equipment
Yes
Food Equipment Certification
The NSF (National Science Foundation) establishes minimum food protection and sanitation requirements for the materials, design, fabrication, construction and performance of food handling and processing equipment. The ETL (Edison Testing Laboratories) Mark is proof of product compliance to North American safety standards.
NSF
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