Keystone KT-LED21T8-48P2S 21 Watt 48 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED21T8-48P2S
Web Price
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- Lumen:2,500 - 2,600lm
- Wattage:21 Watt
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| Type of Area | Sign & Billboards |
|---|---|
| Certifications | CUL Listed, UL Listed |
| Dimmable | No |
| Lamp Life: | 50,000 Hours |
| CRI | 80 |
| Dimensions | 48" x 1.10" |
| Length | 48" |
| Width | 1.10" |
| Lumen Output: | 2,500 - 2,600 |
| Manufacturer | Keystone Technologies |
| Product Warranty | 5 Year |
| Part Number | KT-LED21T8-48P2S |
| Minimum Start Temperature | -20 Deg F |
| Technology | LED |
| Voltage | Multivolt 120V-277V |
| Wattage | 21 Watt |
| Base Type | R17D |
| Bulb Type | T8 |
ShineRetrofits Input:
Keystone KT-LED21T8-48P2S 21 Watt 48 Inch Sign Hero Tube Lamp is designed for optimal performance in signage applications. This lamp is covered by multiple patents, details of which can be found on the Keystone website. It boasts a 50,000+ hour lifetime and installs using existing sockets in the sign, with all necessary wiring done within the ballast raceway. With an effective 360° beam spread and rotatable end caps, this double-sided lamp provides even lighting without hot-spotting, offering over 50% more energy efficiency than HO fluorescent lamps.
Features:
• Covered by one or more Patents: list available at https://keystonetech.com/signhero-patent/
• Ideal for both single-sided and double-sided signs
• 50,000+ hour lifetime
• Installs using existing sockets in the sign; all necessary wiring can be done within ballast raceway
• 120–277V input
• Optical lens over individual LEDs for optimal light spread within the sign
• Listed in the UL SAM Manual
• Effective 360° beam spread
• Rotatable end caps
• Double-sided design provides even lighting in signs with no hot-spotting
• Over 50% more energy efficiency than HO fluorescent lamps
• UL Classified: LED sign retrofit, evaluated to UL 48 / UL 879A Standards
• No external driver or power supply needed
• Operating temperature: −30ºC/−22ºF to 55ºC/131ºF
• Optimized spacing 6" from the face and 12" on center
ShineRetrofits Input:
Keystone KT-LED21T8-48P2S 21 Watt 48 Inch Sign Hero Tube Lamp is designed for optimal performance in signage applications. This lamp is covered by multiple patents, details of which can be found on the Keystone website. It boasts a 50,000+ hour lifetime and installs using existing sockets in the sign, with all necessary wiring done within the ballast raceway. With an effective 360° beam spread and rotatable end caps, this double-sided lamp provides even lighting without hot-spotting, offering over 50% more energy efficiency than HO fluorescent lamps.
Features:
• Covered by one or more Patents: list available at https://keystonetech.com/signhero-patent/
• Ideal for both single-sided and double-sided signs
• 50,000+ hour lifetime
• Installs using existing sockets in the sign; all necessary wiring can be done within ballast raceway
• 120–277V input
• Optical lens over individual LEDs for optimal light spread within the sign
• Listed in the UL SAM Manual
• Effective 360° beam spread
• Rotatable end caps
• Double-sided design provides even lighting in signs with no hot-spotting
• Over 50% more energy efficiency than HO fluorescent lamps
• UL Classified: LED sign retrofit, evaluated to UL 48 / UL 879A Standards
• No external driver or power supply needed
• Operating temperature: −30ºC/−22ºF to 55ºC/131ºF
• Optimized spacing 6" from the face and 12" on center
