The CV-140BK is a KSS part that is a high-performance, low-profile, reversible dimming ballast. It is designed to provide dimming control to fluorescent light fixtures, enabling users to adjust lighting levels to meet the needs of different tasks and situations. The ballast is compatible with a variety of dimmers and controllers, and is UL and cUL recognized, energy-efficient, and V-0 rated. The CV-140BK is ideal for commercial and residential applications, and has been designed for long life and dependable operation.