The On/Off/Heat/Rotate Power Switch is used on the following ANKOM instruments: XT10/XT10I, XT15/XT15I, HCl/HClI, RD/RDI, TDF/TDFI, D200/D200I, DELTA/DELTAI, A200/A200I, A2000/A2000I, FLEX/FLEXI. On the D200/D200I Daisy Incubator, this switch also functions as the Heat and Rotate on/off switch.