Keystone KTEB-1C22-1-TP-WS Circline Electronic Ballast with Sockets - 22W, 120V

The Keystone Technologies KTEB-1C22-1-TP-WS is a rapid start electronic ballast designed for 22W, 120V Circline fluorescent lamps, specifically 1 FC8T9. It comes with integrated sockets and measures 3.45" x 1.81" x 1.21". This ballast is UL/935 listed for safety and performance, meeting FCC Part 18 Class B standards. It supports parallel operation, starts reliably down to 0ºF (-18ºC), and includes end-of-lamp-life protection. With a 9" socket lead, it serves as a direct replacement for models like Robertson RSO122C120WS and Advance RLQS-122-TP-W.