The UPGX1-7933-1 is a pressure switch manufactured by Sensata. It is part of the UPGX series, which is designed to provide durable, reliable pressure control in a variety of industrial applications. This particular pressure switch offers a range of 0.5-40 psig, and is ideal for controlling air pressure or vacuum in air handling, ventilation, and refrigeration applications. It is also suitable for other pressure-regulating applications. The UPGX1-7933-1 is a SPST switch with gold-plated contacts, which provide better switching performance. It has a manual reset, and an adjustable differential of 1-11 psig. The enclosure is designed for protection against dust and water, making it suitable for outdoor use.