4 Foot 21 Watt R17d 360 Degree Double Ended Ballast ByPass LED Sign Tube Gen 2

Keystone Technologies SKU: KT-LED21T8-48P2S-840-D /G2
Keystone Technologies 4 Foot 21 Watt R17d 360 Degree Double Ended Ballast ByPass LED Sign Tube Gen 2 4000K Cool White

4 Foot 21 Watt R17d 360 Degree Double Ended Ballast ByPass LED Sign Tube Gen 2

Keystone Technologies SKU: KT-LED21T8-48P2S-840-D /G2
Regular price $50.08
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Color Temp
**BALLAST MUST BE BYPASSED IN ORDER TO USE**
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The Keystone 48" (4 Foot) KT-LED21T8-48P2S-8(XX)-D /G2 LED Sign Hero series sign tube consumes just 21 watts of 120-277V energy and produces 2,500-2,600 lumens of your choice of either 4000K or 6500K illumination. The Keystone Sign Hero LED Sign Tubes are LED outdoor replacement retrofit solution for conventional T12HO and T8HO fluorescent lamps for sign applications. These LED retrofit tubes DO NOT require an external LED driver. The existing ballast must be bypassed. The LED tube measures 45.91" 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.

Manufacturer Keystone
Color Temperature (Kelvin) 4000K Cool White 6500K Daylight
MPN KT-LED21T8-48P2S-840-D /G2 KT-LED21T8-48P2S-865-D /G2
SKU KT-LED21T8-48P2S-840-D /G2 KT-LED21T8-48P2S-865-D /G2
UPC 843654132235 843654132242
Lumens 2,500 Lumens 2,600 Lumens
Efficiency (Lumens Per Watt) 119 LPW 124 LPW
Wattage 21 Watts
Lighting Technology LED
Voltage 120-277V
Ballast Operation Type B Bypass
Wiring Method Single/Double Ended
Bulb Shape T8
Base R17D Double Contact
Beam Angle 360 Degrees
Rated Life 50,000 Hours
CRI (Color Rendering Index) 80 CRI
Operating Temperature -30°C to 55°C
Dimensions 48" L x 1.1" Diameter
Warranty 5 Year Limited


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