Pressure Switches for Gas and Air QPH and QPL pressure switches are used for gas and air pressure supervision on industrial and commercial burner applications.The QPL31 series pressure switches break the electrical circuit when the pressuredrops below the
QPH and QPL pressure switches are used for gas and air pressure supervision on industrial and commercial burner applications.
The QPL31 series pressure switches break the electrical circuit when the pressure
drops below the adjusted value.
The QPH31 series pressure switches break the electrical circuit when the pressure
increases above the adjusted value.
AutomaticReset
QPL31.050A00– Automatic Reset, Low Execution,1 – 20″WC (2.5 – 50mbar)
QPL31.075A00– Automatic Reset, Low Execution,5 – 30″WC (12.5 – 75 mbar)
QPL31.280A00– Automatic Reset, Low Execution,28 – 112″WC (70 – 280 mbar)
QPH31.010A00– Automatic Reset, High Execution, 0.8 – 4″ WC (2 – 10mbar)
QPH31.050A00– Automatic Reset, High Execution,2 – 20″WC (5 – 50mbar)
QPH31.090A00– Automatic Reset, High Execution,5 – 35″WC (12.5 – 87 mbar)
QPH31.280A00– Automatic Reset, High Execution,28 – 112″WC (70 – 280 mbar)
Manual Reset
QPL31.050M00– Manual Reset, Low Execution,1 – 20″WC (2.5 – 50mbar)
QPL31.140M00– Manual Reset, Low Execution,7 – 55″WC (17.5 – 137 mbar)
QPH31.050M00– Manual Reset, High Execution,2 – 20″WC (5 – 50mbar)
QPH31.150M00– Manual Reset, High Execution,10 – 60″WC (25 – 150 mbar)
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