Name: 4 Foot 21 Watt R17d 360 Degree Double Ended Ballast ByPass LED Sign Tube Gen 2
Brand: Keystone Technologies
SKU: KT-LED21T8-48P2S-840-D /G2
Price: 36.18 USD
Availability: InStock

Keystone Technologies 4 Foot 21 Watt R17d 360 Degree Double Ended Ballast ByPass LED Sign Tube Gen 2 4000K Cool White

Price Save 28%

Color Temp

4000K Cool White

6500K Daylight

Quantity

Limited Quantity Available

Free Shipping on Orders Over $750

Most in-stock items ship the same day!

Helping you maximize your green® since 2007!

[{"id":43026995642612,"title":"4000K Cool White","option1":"4000K Cool White","option2":null,"option3":null,"sku":"KT-LED21T8-48P2S-840-D \/G2","requires_shipping":true,"taxable":true,"featured_image":{"id":34554614382836,"product_id":7440545022196,"position":1,"created_at":"2021-11-10T17:31:54-05:00","updated_at":"2021-11-10T17:31:54-05:00","alt":"Keystone Technologies 4 Foot 21 Watt R17d 360 Degree Double Ended Ballast ByPass LED Sign Tube Gen 2 4000K Cool White  ","width":800,"height":509,"src":"\/\/www.greenelectricalsupply.com\/cdn\/shop\/products\/keystoneledsigntube.1_2775b03b-23e2-40c2-86fd-95f9370067b5.png?v=1636583514","variant_ids":[43026995642612,43026995675380]},"available":true,"name":"4 Foot 21 Watt R17d 360 Degree Double Ended Ballast ByPass LED Sign Tube Gen 2 - 4000K Cool White","public_title":"4000K Cool White","options":["4000K Cool White"],"price":3618,"weight":454,"compare_at_price":5008,"inventory_management":"shopify","barcode":"843654132235","featured_media":{"alt":"Keystone Technologies 4 Foot 21 Watt R17d 360 Degree Double Ended Ballast ByPass LED Sign Tube Gen 2 4000K Cool White  ","id":26888416198900,"position":1,"preview_image":{"aspect_ratio":1.572,"height":509,"width":800,"src":"\/\/www.greenelectricalsupply.com\/cdn\/shop\/products\/keystoneledsigntube.1_2775b03b-23e2-40c2-86fd-95f9370067b5.png?v=1636583514"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":43026995675380,"title":"6500K Daylight","option1":"6500K Daylight","option2":null,"option3":null,"sku":"KT-LED21T8-48P2S-865-D \/G2","requires_shipping":true,"taxable":true,"featured_image":{"id":34554614382836,"product_id":7440545022196,"position":1,"created_at":"2021-11-10T17:31:54-05:00","updated_at":"2021-11-10T17:31:54-05:00","alt":"Keystone Technologies 4 Foot 21 Watt R17d 360 Degree Double Ended Ballast ByPass LED Sign Tube Gen 2 4000K Cool White  ","width":800,"height":509,"src":"\/\/www.greenelectricalsupply.com\/cdn\/shop\/products\/keystoneledsigntube.1_2775b03b-23e2-40c2-86fd-95f9370067b5.png?v=1636583514","variant_ids":[43026995642612,43026995675380]},"available":false,"name":"4 Foot 21 Watt R17d 360 Degree Double Ended Ballast ByPass LED Sign Tube Gen 2 - 6500K Daylight","public_title":"6500K Daylight","options":["6500K Daylight"],"price":3618,"weight":454,"compare_at_price":5008,"inventory_management":"shopify","barcode":"843654132242","featured_media":{"alt":"Keystone Technologies 4 Foot 21 Watt R17d 360 Degree Double Ended Ballast ByPass LED Sign Tube Gen 2 4000K Cool White  ","id":26888416198900,"position":1,"preview_image":{"aspect_ratio":1.572,"height":509,"width":800,"src":"\/\/www.greenelectricalsupply.com\/cdn\/shop\/products\/keystoneledsigntube.1_2775b03b-23e2-40c2-86fd-95f9370067b5.png?v=1636583514"}},"requires_selling_plan":false,"selling_plan_allocations":[]}]

Details
Specifications
Documents
Request A Quote

Details

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.

Specifications

Manufacturer	Keystone Technologies
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

Documents

Keystone 4 Foot Double Ended Ballast Bypass LED Sign Tube 4000K/6500K Specification Sheet

Request A Quote

Green Electrical Supply is here to help you maximize your green^® on all your electrical supply purchases.

Looking for a quote or need help finding an item, simply use our Contact Us form to request a quote, get assistance, or provide feedback. If you're more of a talker, feel free to give us a call at 248-276-9640 during our weekday hours from 8 am to 5 pm EST.

Here's a little tip to make your quote request even smoother: don't forget to copy the SKU from above and include it along with the quantity in your request. It's a small detail that ensures we get you the most accurate and efficient service. And, just a heads up, the SKU is dynamic, especially for products with multiple options. So, be sure to choose your required options first to view the precise SKU.

Recommended or frequently bought with this product

Confirm your age

Come back when you're older

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

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