Pressure switch PEV-1/4-B-OD Opens or closes an electrical circuit when a certain pressure value is reached. Adjustable pressure switching point, adjustable switching hysteresis. Without connector socket. Conforms to standard=EN 60947-5-1, Authorisation=CCC, CE mark (see declaration of conformity)=to EU directive low-voltage devices, Materials note=Conforms to RoHS, Measured variable=Relative pressure