The Grayhill 78B04ST DIP / SIP Switch is a reliable and durable switch designed for a variety of applications. This switch is part of the 78 Series and features a single pole single throw (SPST) configuration with 4 circuits. It is designed for through hole mounting and is sealed for protection against dust and moisture. The 78B04ST is rated for 30 VDC and is ideal for use in a variety of industrial, commercial, and consumer applications. With its robust construction and reliable performance, the Grayhill 78B04ST DIP / SIP Switch is an excellent choice for any application.