Pressure and Vacuum Safety Switches
Three versions of this unit are available; PS which is for pressure detection, VC for vacuum detection where fluid is present and VS for vacuum detection where gas is present. NC or NO contacts are provided which change state under the pressure or vacuum setting level.
![](/product/pressure-and-vacuum-safety-switches/img/pressure-and-vacuum-safety-switch.jpg)
![](/product/pressure-and-vacuum-safety-switches/img/product-selection-table.jpg)
Product Selection Table
![](/product/pressure-and-vacuum-safety-switches/img/technical-features.jpg)
Technical Features
![](/product/pressure-and-vacuum-safety-switches/img/wiring-diagram.jpg)
Wiring Diagram/Circuit Layout
![](/product/pressure-and-vacuum-safety-switches/img/system-diagram.jpg)
Example of a system diagram for the PS-Nb version
Dimensions
![](/product/pressure-and-vacuum-safety-switches/img/dimensions-cat-1-2.jpg)
CAT 1/2 Version
![](/product/pressure-and-vacuum-safety-switches/img/dimensions-cat-3-4.jpg)
CAT 3/4 Version