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- Estimated life of 45.7 years based on 3 hours use per day
- No lead or mercury means easy and environmentally safe disposal
Product Description–
Lighting Facts Per Bulb |
| Brightness 4000 lumens |
|
Estimated Yearly Energy Cost $3.73
Based on 3 hrs/day, 11¢/kWh
Cost depends on rates and use
|
|
Life
Based on 3 hrs/day45.7 years
|
|
Light Appearance
WarmCool
6500 K
|
| Energy Used31 watts |
Keystone 31W 72" Double Sided T8 LED Sign Bulb, Ballast Bypass, 6500K
- Ideal for both single-sided and double-sided signs
- Installs using existing sockets in the sign
- Optical lens over individual LEDs for optimal light spread
within the sign
- Effective 360° beam spread
- Rotatable end caps
- Double-sided design provides even lighting in signs with no hot-spotting
- UL Classified: LED sign retrofit, evaluated to UL 48 / UL 879A Standards
- No external driver or power supply needed
Full Specs–
Brand | Keystone |
Energy Used | 31 Watts |
Volts | 120-277 |
Base | R17d |
Bulb Shape | T-8 |
Bulb Color | Daylight White |
CRI | 80 |
Color Temperature (Kelvin) | 6500 |
Brightness (Lumens) | 4000 |
Bulb Finish | Clear |
Bulb Technology | LED |
Average Rated Life (hr) | 50000 |
Operating Temperature (°F) | -30 to 131 |
Beam Angle (°) | 360 |
Bulb Power Type | Ballast Bypass |
Length (in) | 72 |
Diameter (in) | 1 |
Nominal Length (ft) | 6 |
Manufacturer Warranty | 5 year limited |
Wet Location | Yes |
Damp Location | Yes |
Rated for Fully Enclosed Fixtures | Yes |