Keystone KT-LED21T8-48P2S 21 Watt 48 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
Keystone KT-LED21T8-48P2S 21 Watt 48 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
Specifications
Specifications
| Part Number# | KT-LED21T8-48P2S |
|---|---|
| Type of Area: | Sign & Billboards |
| Lamp Life: | 50,000+ Hours |
| Lumen Output: | 2,500 - 2,600 |
| Wattage: | 21 Watt |
| Ballast Start Type: | Instant Start |
| Certifications | 5 Year Warranty, CUL Listed, UL Listed |
| CRI: | 80 |
| Dimensions: | 48" x 1.10" |
| Width: | 1.10" |
| Length: | 48" |
| Dimmable: | No |
| Product Warranty: | 5 Year |
| Minimum Start Temperature: | -20 Deg F |
| Voltage: | Multivolt 120V-277V |
| Manufacturer: | Keystone Technologies |
| Technology: | LED |
Details
Details
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
Shipping and Returns
Shipping and Returns
Shipping
We are pleased to currently offer free ground or freight shipping on orders over $500 shipped to the contiguous 48 states. Items over 48 inches may be subject to additional charges. Most orders are processed and shipped out within 1-3 business days. A tracking number will be emailed to you as soon as the shipping department provides it.
Returns
Returns are accepted up to 30 days after order delivery. For all returns, you must contact us in advance to obtain a Return Material Authorization (RMA) form. You are responsible for all return shipping cost, and all shipping charges are non-refundable. All parts that have been authorized for return must be received within 14 days after RMA was issued. A 35% restocking fee applies to ALL parts returned unless you order a direct replacement. Refunds for all returned items may take up to 60 days to process after the returned item is received. All returns must be in original packaging, unused, in resellable condition.
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