Siemens QVE flow sensors

Siemens QVE1902.025, S55720-S202 Flow switch for liquids in piping DN 25 For monitoring the flow of liquid medium in HVAC plants Additional info Maximum switching capacity AC 26 VA, DC 20 W Datasheet

Siemens QVE1902.015, S55720-S200 Flow switch for liquids in piping DN 15 For monitoring the flow of liquid medium in HVAC plants Additional info Maximum switching capacity AC 26 VA, DC 20 W Datasheet

Siemens QVE1901 Flow switch for use in hydraulic systems, PN25, DN20...200 For monitoring operation of systems using liquids or gases. Additional info Maximum switching capacity AC 26 VA, DC 20 W Datasheet