DN15 G1/2" Water/Air Flow Switch 1-12 L/min, DC250V/70W
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Prices updated: 13 Oct 2026
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About this product
A DN15 (G1/2 inch) flow switch that detects water or air movement in a pipe and switches an output when flow is present. It is a flow switch, not a flow meter, so it signals whether flow exists rather than measuring the quantity. Useful for pump protection, water-line monitoring and simple automation.
Specifications
- Connection size
- DN15 / G1/2"
- Flow range
- 1 to 12 L/min
- Type
- Flow switch (not flow meter)
- Electrical rating
- DC250V/70W
- Media
- Water / Air
Frequently asked questions
Can it measure the exact flow rate?
No. It is a flow switch that reports whether flow is present or absent. For a measured flow volume you need a flow meter.
How do I wire it to a controller?
Connect the switch contacts to the controller input or to a relay circuit, with a pull-up resistor if the input is digital. Stay within the DC250V/70W rating shown in the listing.
