Furnas 69JG & 69HA Pressure Switches are designed for air compressorsåÊand provide an automatic system which maintains pressure between two preset pressure settings. An automatic unloader valve which prevents compressors from starting under load is also available. The two pole double break contacts are silver cadmium oxide and the springs are stainless steel. All ferrous metal switch parts are zinc plated and dichomate treated to resist corrosion.
HP Rating (@ 115-1):åÊ2
HP Rating (@ 230-1):åÊ3
HP Rating (@ 230-3):åÊ5
HP Rating (@ 575-3):åÊ1
It is advisable that on compressors 5HP and larger, the pressure switch only be used to signal the magnetic starter.