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A pressure switch opens or closes a corresponding switch contact as soon as a preset pressure is reached. Depending on the requirement, pressure switches are used with mechanical or electrical switch contacts, with or without displays and with various setting possibilities.
Pressure switches are used in a variety of industrial and technical processes − in the broad WIKA selection you will find the right version for each application.
Mechanical pressure switch, Electronic pressure switch
Gauge pressure, Differential pressure, Absolute pressure, Vacuum and +/- range
Application area (Ex)
Non- Ex, Ex i, Ex d
Setting range (end value)
to 300 mbar, 300 mbar to 40 bar, 40 bar to 400 bar, 400 bar to 1,000 bar
1 x SPDT, 1 x DPDT, 2 x SPDT