Keystone's sign and LED products are backed by more than 65 years of lighting experience. That's knowledge you can count on for quality and dependability. While competitors come and go, you can count on Keystone to be here when you need us - now and in the future. We understand the field-service requirements and after-market support of the lighting industry and always back our customers and products. Keystone's line of sign ballasts makes sign maintenance simple. With only 5 SmartWire electronic ballasts that cover the 15 most common magnetic sign ballast SKUs, you are sure to have the right ballast for the job. With Keystones quality and dependability, you can count on your installation to last, maintenance-free for years to come.

The Keystone KTSB-E-0416-12-1-S, Factory suggested replacement for discontinued KTSB-0412-12-1-TP-DP, is UL and CUL 935 Listed and will operate either 1 or 2 lamps with a total lamp footage of 4-16 feet. This electronic sign ballast has an input voltage of 120V, has a Rapid Start starting method. The black and white leads are 18" long and the blue, red and yellow leads are 60" long and wires exactly the same as traditional magnetic ballasts for seamless compatibility and installation.

This Keystone electronic sign ballast operates either (1 or 2) F96T12/HO, F96T8/HO, F72T8/HO, F120T12/HO, F48T12/HO or F48T8/HO lamps up to a total of 16 feet long. Solid-state technology enables excellent lamp starting performance in cold temperatures with the minimum starting temperature of -30C/-20F. The Keystone KTSB-E-0416-12-1-S ballast carries a 4 Year warranty. Keystone electronic fluorescent plastic sign ballasts are ideal for applications such as backlit signs, channel letters, and building fascia's, as well as other applications requiring F96T12/HO, F96T8/HO, F72T8/HO or F48T12/HO Rapid Start Fluorescent Lamp installations.

Specification Sheet