General Electric PS3-DF1 Pressure Relay Controller

The GE Fanuc Emerson PS3-DF1 pressure relay controller is an electromechanical pressure switch that monitors and controls pressure by switching SPDT relay contacts at manually adjustable setpoints. It is listed with the MPN PS3-DF1 and is part of the Emerson PS3 Series, designed for panel or equipment mounting with a threaded pressure port and electrical terminals for connection. The unit is intended for industrial control circuits and offers an adjustable pressure range (model dependent) with a manual setpoint adjustment. Common applications include refrigeration systems, HVAC units, air compressors, hydraulic systems, and other industrial process equipment where maintaining specific pressure levels is essential.