The GRAYHILL part 71BD30-02-1-AJN is a rotary switch featuring a flatted shaft design, making it easy to operate with a knob or tool. It is a single-pole switch allowing for easy control of various functions or systems. The switch is designed for solder lug mounting, ensuring a secure and reliable connection. With a current rating of 0.3A, it can handle various low-power applications. The switch can operate at a voltage of 115VAC or 30VDC, providing versatility for different electrical setups.