Vacuum switch

The vacuum switch operates the linked pressure switch, when the pressure falls below the adjustable switching pressure. If the symbol is used as a pressure switch the respective switch is operated when the pressure exceeds the switching pressure.

Adjustable parameters

Designation Range Default value
Type Pressure switch, Vacuum switch Vacuum switch
Switching pressure -0.1 ... 2 MPa -0.04
Hysteresis 0 ... 1 MPa 0