The Eaton MCS22-G presostat is a pressure switch module that comes with a single-pole, double-throw (SPDT) output. It is a type of control device used to detect pressure setpoints and control electrical functions accordingly. The pressure switch module has a reliable and repeatable contact-making mechanism and is suitable for a variety of industrial applications. It offers automatic or manual reset functions, as well as adjustable overpressure and underpressure limits, making it an ideal choice for a variety of process control and automation applications.