QPM10 Adjustable Diaphragm Pressure Switch, 1/4 in
Set a pressure-triggered switching point in a compatible air or water control circuit. The QPM10 diaphragm pressure switch has an adjustable setting and a 1/4-inch threaded connection. It is for installers matching a switch to the system's medium, pressure and electrical requirements.
- ✅ Set the switching point — A hex-key adjustment changes the pressure setting within the stated range.
- ✅ Choose the contact behaviour — The pictured COM, NO and NC terminals allow the appropriate control connection.
- ✅ Cover terminals after wiring — The supplied insulating sheath fits over the connection end.
- ✅ Fit into a threaded pressure port — The compact metal body has a male process connection.
Match the switch to your pressure-control circuit
A diaphragm mechanism operates electrical contacts as system pressure changes. That makes it useful for a compatible pump or pneumatic control arrangement where the circuit needs a pressure-dependent input, rather than a continuous pressure display.
The body marking identifies QPM10 and shows a contact diagram. Check the actual terminal markings, thread standard, switching requirements and electrical ratings before installation; it is a control component, not a complete pump controller. A hex key is required for adjustment and is not included.
The external sheath covers the terminals after suitable wiring. IP54 is stated with the sheath fitted; this is not an immersion rating. Installation and testing should be carried out with the pressure and electrical supplies isolated.
Switch and insulating sheath are supplied together.
Check the male connection against the receiving port.
The body carries the contact diagram and pressure-range marking.
Use the actual terminal markings when planning the circuit.
Choose COM and the required contact; wire ends need proper termination.
Adjustment is made with a separate hex key.
Fit the sheath after correct wiring.
The switch body is a control component, not a pressure display.
Check the connection and operating medium before fitting.
The sheath covers the connection end.
Technical details
- Model marking: QPM10
- Type: adjustable diaphragm pressure switch
- Stated adjustment range: 0.1–1 MPa
- Stated maximum pressure resistance: 1 MPa
- Connection size stated: 1/4 inch; verify thread standard
- Operating media stated: compressed air and water
- Temperature range stated: −5 to 60°C
- Materials stated: stainless steel and rubber
- Rating stated with sheath: IP54
- Package: 1 pressure switch with sheath; hex key excluded
Match the connection and control requirements to add an adjustable pressure input to your system.
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