The QVE1900 is used in HVAC plants to monitor the flow of fluids in hydraulic systems, especially in refrigeration, heat pump and heating plants, e.g. for use with condensers, boilers, heat exchangers.

QVE1900 – SIEMENS  flow switch

Range of use:

• Pipes: DN 1.25…8“

• Contact rating: 15 A / AC 24...250 V

• Output: Relay

• Protection class: IP65

SIEMENS  Flow switch for use in hydraulic systems, PN10, DN32...200
For monitoring operation of systems using liquids or gases.
Data sheet N1592
Digital output, switching voltage 250 VAC
Digital output, switching current 15 (8) A
Connection, electrical Screw terminals
Nominal size, piping DN32 - DN200
Connecting
thread
R 1 " thread
Digital outputs 1-pin
Potential-free
Changeover contact
Medium temperature -20...120 °C
PN class PN 10
Ambient temperature, operation -20...85 °C
Material, valve body Brass
Degree of protection IP65
Dimensions (W x H x D) 108 x 70 x 132 mm