The 400 Series is a versatile family that includes vacuum switch, pressure switch, differential pressure switch, and temperature switch models for applications that require single or multiple switching capabilities. Dual- and triple-switch versions provide multi-output for alarm and shutdown, pre-alarm and alarm, high/low limit, or level staging functions.
A wide variety of microswitch and process connection options, along with weather-tight enclosures, make the 400 Series an ideal choice for most ordinary location applications. Its worldwide use is assured with approvals and certifications to agency standards.
Widely used throughout the process industries, 400 Series vacuum switch, pressure switch, differential pressure switch, and temperature switch products provide threshold protection and control for many critical functions. Typical installations are found in industrial gas production; energy generation including pumps, turbines, and compressors; pulp and paper; and water and wastewater treatment.