These tecsis vacuum switches convert pneumatic signals into electrical signals. Depending on the type of connection, they can be used as a NO, NC or SPDT contact. The series S4440 vacuum switch is used primarily in rough vacuums (technical vacuums). Technical vaccum means the pressure of a gas / fluid that is lower than the atmospheric pressure.
The switch point is fully adjustable by means of a simple adjustment knob within the adjustment range. All switches are equipped with the most used DIN EN 175301-803 Form A connector which allows easy and fast assembly. The switch is also available with a socket with LED for an easier switch point adjustment and visulize the switching status. In addition, switches are also available without the socket or with electrical connection M12x1 .