QPH31.090A00 Siemens Pressure Switch

The Siemens QPH31.090A00 Automatic Reset High Pressure Switch 5 to 35″ wc

Datasheet

The pressure switches are used for monitoring gas or air pressures.

When the pressure falls below or exceeds the adjusted switching point, the respective electrical circuit will be opened or changes over.

The QPL… / QPH… and this Data Sheet are intended for use by OEMs which integrate the pressure switches in their products.

Use

• For the supervision of air or gas pressures in gas trains of gas-fired equipment (gas burners)
• The QPL… / QPH… are available as pressure switches for minimum or maximum pressure
• Suited for pressure ranges up to 500 mbar
• Suited for gases of gas families 1, 2 and 3 and other neutral gaseous media