The GRAYHILL part 30-101 is a small, round push button switch designed for momentary contact applications. It features a normally open (N.O.) single-pole, single-throw (SPST) design, making it perfect for projects that require a simple on/off operation. With a maximum current rating of 0.15A and a voltage rating of 24VDC, this switch is suitable for a wide range of low-power electronic devices. The solder lug terminals allow for secure and easy installation, while the panel mount design ensures a sturdy and reliable connection. Whether you're working on a DIY project or need a reliable switch for industrial applications, the GRAYHILL part 30-101 is the ideal choice.