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.
An adjusting screw allows setpoints to be easily adjusted, even in situ. The hysteresis can also be set within the range of 0.1 to 0.3 bar using the second screw, or the switch can simply be ordered with a factory set switchpoint.
The switch is supplied in zinc plated steel with a G1/4" screw thread as standard. Many other types of threads and materials are optionally available. Versions for extended specifications can be produced on request. The high - quality design ensures that the switches have a long service life.
These tecsis switches are equipped with the most used DIN EN 175301-803 Form A connector which allows easy and fast assembly.