Flow switch QVE1901 for liquids in piping DN 20…200. Flow monitor of liquid medium in HVAC plants, in hydraulic systems, in particular, refrigeration, heat pump and heating plants, e.g. for evaporators, boilers, heat exchangers, etc.
QVE Features:
Contact load / switching capacity: max. AC 230 V, 1 A, 26 VA
max. DC 48 V, 1 A, 20 W
Nominal pressure PN25
Manual setting of contact type (NO / NC)
Housing IP 65 / safety class II
Maintenance free