The KPH300 is an excellent choice for pressure switching applications that require a reliable solution and low cost. The KPH300 utilizes the proven diaphragm or piston sensing technology depending on the measuring range chosen. The setpoint is field adjustable via a 2 mm hex nut adjuster protected from the elements beneath the DIN 43650 electrical connector. The switch can also be factory set at the setpoint you specify. The SPDT micro-switch contacts are silver plated for extended service life. The combination of high reliability design and low cost makes the KPH300 an excellent choice for OEM and end user applications alike.