The K1-5301UA-01 with Coded Rotary Switches is a 19.5mm*18mm RoHS certified electronic part manufactured by HRO parts. It is a rotary switch, also known as a coded switch or rotary coded switch, a type of switch which has multiple contact points arranged in a circle. It allows an operator to select from a set of discrete positions which are normally indicated with a code such as a series of numbers or letters. The K1-5301UA-01 with Coded Rotary Switches is designed for high quality performance, reliability and robustness. It is suitable for applications such as control panels, switches, indicators, relays, motor control, audio applications, signal switching and AC power control.