Keystone KTLD-4LT8-UV-8C-VDIM

Typically ships in 2-3 business days* View full description
Customer Reviews


Constant Current LED Driver for Type C LED T8 Lamps | 120–277V Input | 0–10V Dimming

Upgrade your lighting with the Keystone Ktld-4lt8-uv-8c-vdim LED driver! Designed for use with Keystone type C T8 LED lamps, this LED driver provides efficient, reliable operation for your lighting needs. With its advanced design, the LED driver delivers superior performance and energy efficiency, helping you save on energy costs while enjoying powerful illumination. The 0-10V dimming capabilities allow you to adjust the brightness to your liking, while compatibility with most electronic ballasts makes installation a breeze. The Ktld-4lt8-uv-8c-vdim LED driver also features advanced UV protection, delivering increased longevity and reliability for your lighting. UL listed for safety and quality, this LED driver is the perfect solution for upgrading your lighting to energy-efficient LED technology.


  • Compatible with Keystone external drive T8 LED lamps 
  • Meets FCC Part 15 (Class B) consumer limits
  • Short circuit overload and open load protection
  • Type 1 outdoor, suitable for dry and damp locations
  • UL8750 Recognized component
  • Dimmable with 0–10V dimmer, dim maximum 10%
  • Operating temperature: −20ºC/−4ºF to 45ºC/113ºF
  • 85ºC/185ºF maximum case temperature
  • Input frequency: 50/60 Hz
  • THD: <20%




Use only non-shunted lamp-holders. Do not install product in a fixture with shunted lamp-holders (found in all fixtures using instant start ballasts). If the current lamp-holders are shunted, remove them and replace them with non-shunted lamp-holders. Make new connections directly to terminals as indicated above.


*This product is built to order typically ships in 2 to 3 business days. Larger quantities may take longer than stated lead-time.  All lead-times are estimates and you will be notified by email if it will take longer than 5 business days to ship. Keystone has multiple warehouse's around the country to help serve you better.

Extra Information

Keystone Technologies
Catalog No:
Light Source:
Ballast Type:
LED Driver
Max. Output Power:
33.3 Watt
Input Voltage:
120–277Vac ± 10%
Output Voltage:
36–45 Vdc
Output Current:
185mA × 4 channels
5 Year
Price Shown:
Per Driver