SIEMENS Flow switch  QVE1902 for liquids in piping DN 10...25

For monitoring the flow of liquid medium in HVAC plants

In HVAC plants to monitor the flow of liquid medium in hydraulic systems, in particular, refrigeration, heat pump and heating plants, e.g. for evaporators, boilers, heat exchangers, etc.

Digital output, switching voltage AC 230 V, DC 48 V
Digital output, switching current 1 A
Type of fixing Thread
Digital outputs 1-pin
Potential-free
reed contact
Medium temperature -20...100 °C
Ambient temperature, operation 0...70 °C
Material Piping: Brass,
Switching unit: Polyamid,
Housing and paddle system: PPO Noryl GFN3
Degree of protection IP65

DN 10 G⅜ 20 S55720-S199 QVE1902.010
DN 15 G½ 30 S55720-S200 QVE1902.015
DN 20 G¾ 80 S55720-S201 QVE1902.020
DN 25 G1 130 S55720-S202 QVE1902.025