18 Inch 4 Watt R17d 180 Degree Double or Single Ended Ballast Bypass LED Sign Tube 4000/5000/6500K
Keystone Technologies
SKU: KT-LED4T8-18P1SO-8CSK-DX2
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Details
Introducing Keystone's 180° LED Sign Tubes! The Sign Hero series from Keystone is the perfect solution for retrofits or new sign installations. There is no need for an external driver or ballast, making it the fastest way to upgrade a sign to LED. Maintenance professionals can install these LED sign tubes in five minutes or less! These tubes are available in an array of lengths and work ONLY with single sided signs, as the LED output is projected from only one side of the tube. The Keystone Sign Hero LED Sign Tubes are an LED outdoor replacement retrofit solution for conventional T12HO and T8HO fluorescent lamps for sign applications and are color selectable, allowing you to switch between 4000K cool white, 5000K daylight and 6500K daylight on the tube.
Talk about an easy retrofit option for your existing fluorescent T12HO or T8HO sign bulbs. Keystone's DirectDrive technology eliminates the need for an external driver or ballast, while still using the existing sockets. The Keystone LED Sign Tubes feature a rotatable R17d base for correct lamp orientation in vertical or horizontal installations, regardless of how the socket was originally installed. This tube is one-sided so it can light up single sided signs only. The optical lenses that cover each individual LED chip in the tube eliminates hot spots and ensures a consistent light distribution across the face of the sign. You will no longer get those awkward vertical shadows. You can count on Keystone to provide a 50,000 hour lifetime and a 5 year warranty.
This item is Keystone's 18 Inch 180° LED sign tube. These LED retrofit tubes DO NOT require an external LED driver. The existing ballast must be bypassed. These color selectable sign tubes deliver 480 lumens and runs on the universal voltage of 120-277V. This tube consumes just 4 watts, for a total of 120 lumens per watt. Now that is efficiency! This product has a CRI of 80 and an operating temperature of -22°F to 131°F. This LED tube measures 15.92" long by 1.1" in diameter, to fit your sign applications, and is evaluated to UL 48 / UL 879A Standards and listed in the UL SAM Manual.
Specifications
| Manufacturer | Keystone Technologies |
| MPN | KT-LED4T8-18P1SO-8CSK-DX2 |
| SKU | KT-LED4T8-18P1SO-8CSK-DX2 |
| UPC | 843654163543 |
| Lighting Technology | LED |
| Wattage | 4 Watts |
| Voltage | 120-277V |
| Input Current | 35mA |
| Color Temperature (Kelvin) | 4000/5000/6500K |
| Lumens | 480 Lumens |
| Efficiency (Lumens Per Watt) | 120 LPW |
| Ballast Operation | Ballast Bypass |
| Wiring Method | Double or Single Ended |
| Bulb Shape | T8 |
| Base | R17d |
| Beam Angle | 180 Degrees |
| Rated Life | 50,000 Hours |
| CRI (Color Rendering Index) | 80 CRI |
| Operating Temperature | -30ºC/-22ºF to 55ºC/131ºF |
| Dimensions | 15.92" MOL x 1.1" Diameter |
| Nominal Length | 18 Inches |
| Certifications | UL SAM, UL 48 / UL 879A |
| Warranty | 5 Year Standard |
Documents
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