Keystone's line of sign ballasts makes sign maintenance simple. With only a handful of electronic ballasts that cover virtually all common plastic sign configurations, you're sure to have the right ballast for the job. With Keystone's quality and dependability, you can count on your installation to last, maintenance-free for years to come.
The Keystone KTSB-E-2048-46-UV-S is UL, CUL 935 Listed and will operate 4-6 lamps with a total lamp footage of 20-48 feet. This electronic sign ballast has an input voltage of 120-277V and has a Rapid Start starting method. The black and white leads are 25" long and the red, yellow, blue, orange, orange/black, brown and blue/white leads are 72" long. Dimensions are 16.7" L x 3.15" W x 1.18" H.
This Keystone electronic sign ballast operates either (4, 5 or 6) T8HO lamps with a total lamp footage of 20-36 feet or T12HO lamps with a total lamp footage of 20-48 feet. Solid-state technology enables excellent lamp starting performance in cold temperatures with the minimum starting temperature of -20ºF, -29ºC. Keystone electronic fluorescent sign ballasts are ideal for applications such as backlit signs, channel letters, and building fascias, as well as other applications requiring T8HO or T12HO Rapid Start Fluorescent Lamps. The Keystone KTSB-E-2048-46-UV-S carries a 4 Year warranty.
