This is Kato 24-850 N Power Feed Control Switch. Control box allows you to turn on/off track feeders at will in order to isolate track sections at command. Usable with the Turntable Extension Tracks or in general with other UNITRACK Feeders or terminal Unijoiners. Manufacturer: Kato. Model Number: 24-850. Scale/Era: N Scale. Model Type: Accessories.