PRESSURE, VACUUM, DIFFERENTIAL PRESSUREAND TEMPERATURE SWITCHES The 400 Series is a versatile family of vacuum, pressure, differentialpressure and temperature switches for applications that require singleor multiple switching capabilities. Dual and triple switch versionsprovide 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 a weather-tight enclosure, make the 400 Seriesan ideal choice for most ordinary location applications. Itsworldwide use is assured with approvals and certifications toagency standards.Widely used throughout the process industries, the 400Series provides threshold protection and control for manycritical functions. Typical installations are found in industrialgas production, energy generation including pumps, turbinesand compressors, pulp and paper, and water and wastewatertreatment.A versatile vacuum switch, pressure switch, differential pressure, & temperature switch modelsUL, CSA, CE, FM-40 to 160F (-40 to 71C)Shock: Set point repeats after 15 G, 10 millisecond durationVibration: Set point repeats after 2.5 G, 5-500 Hz

• Wide variety of available options and pressure sensor modules. Most models available for immediate delivery