Liquid Flow Switch SPDT 24VDC 15A MPN:QVE1900U

Suitable for monitoring fluid flow in hydronic heating and cooling systems this SIEMENS liquid flow switch consists of a base, paddle, and body with a 1" MNPT connection. The base includes the microswitch, electrical terminals, and adjusting screw (for switch-on/switch-off point), a paddle holder, and an opening for the cable entry. Model comes with 4 paddles that can be trimmed to accommodate different pipe diameters.

Technical Specifications

• Item Liquid Flow Switch
• Type Paddle
• Min. Flow Rate (GPM) 6
• Flow Rate 10
• Connection Size (In.) 1 MNPT
• Switch Enclosure NEMA 4
• Min. Ambient Temp. (F) -4 Degrees
• Max. Ambient Temp. (F) 185 Degrees F
• Min. Fluid Temp. (F) -40 Degrees F
• Max. Fluid Temp. (F) -40 Degrees to 248 Degrees
• Max. Pressure (PSI) 160 psi
• Operating Velocity Range (FPM) 160
• Switch Type SPDT
• Max. Duct Size (In.) 1-1/4 in to 8 in
• Contact Rating 15A
• Body Material Polycarbonate
• Material of Construction Brass, Stainless Steel
• Wetted Materials Brass
• Max. Operating Velocity (FPM) 10
• Voltage 24V DC
• For Use With Condensers, Boilers and Heat Exchangers
• Application Used In HVAC Installations to Monitor The Flow of Fluids In Hydronic Heating and Cooling Systems

Manufacturer Details

• Manufacturer: Siemens
• Condensed Mfg Number: QVE1900U
• MPN: QVE1900U

Label Details

• Hazardous Material: N
• Green Material Flag: N
• Country of Origin: DE
• CA Prop 65 Wht Label: N

Classification Details

• Harmonization Code: 8536509065
• GDS Category Name: Flow Switches
• GDS Family Name: Pump Controls
• GDS Segment Name: Pumps
• UNSPSC: 39121538
• UNSPSC Class ID: 15
• UNSPSC Commodity Name: Switches and controls and relays and accessories
• UNSPSC Commodity ID: 38
• UNSPSC Commodity Name: Flow switches
• UNSPSC Family ID: 12
• UNSPSC Family Name: Electrical equipment and components and supplies
• UNSPSC Segment ID: 39
• UNSPSC Segment Name: Electrical Systems and Lighting and Components and Accessories and Supplies

Shipping Details

• Not For Sale In: HI AK PR