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The Keystone 42" (3.5 Foot) KT-LED18T8-42P2S-8(XX)-D /G2 LED Sign Hero series sign tube consumes just 18 watts of 120-277V energy and produces 2160-2250 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 39.91" 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-LED18T8-42P2S-840-D /G2 | KT-LED18T8-42P2S-865-D /G2 |
| SKU | KT-LED18T8-42P2S-840-D /G2 | KT-LED18T8-42P2S-865-D /G2 |
| UPC | 843654132211 | 843654132228 |
| Lumens | 2,160 Lumens | 2,250 Lumens |
| Efficiency (Lumens Per Watt) | 120 LPW | 125 LPW |
| Wattage | 18 Watts | |
| Lighting Technology | LED | |
| Voltage | 120-277V | |
| Ballast Operation | Type B Bypass | |
| Wiring Method | 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 | 42" L x 1.1" Diameter | |
| Warranty | 5 Year Limited | |
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