siemens-pressure-switch

Siemens QP pressure switches are for gas and air pressure supervision on industrial and commercial burner applications. Siemens offers automatic and manual reset versions, in a wide range of available pressures.
– UL listed for USA and Canada, FM approved, ISO 9001 certified; European approved version available.

  • – Adjustable pressure reange from 1 to 112 inches water column.
  • – Automatic and manual reset models.
  • – Surge protected up to 15 PSI

Data Sheet

Manual Reset High Pressure Switch

QPH31.050M00 Manual Reset High Pressure Switch 2 to 20″ wc
QPH31.150M00 Manual Reset High Pressure Switch 10 to 60″ wc

Manual Reset Low Pressure Switch

QPL31.010M00 Manual Reset Low Pressure Switch 1/2 to 4″ wc
QPL31.050M00 Manual Reset Low Pressure Switch 1 to 20″ wc
QPL31.140M00 Manual Reset Low Pressure Switch 7 to 55″ wc

Automatic Reset High Pressure Switch

QPH31.010A00 Automatic Reset High Pressure Switch 1 to 4″ wc
QPH31.050A00 Automatic Reset High Pressure Switch 2 to 20″ wc
QPH31.090A00 Automatic Reset High Pressure Switch 5 to 35″ wc
QPH31.280A00 Automatic Reset High Pressure Switch 28 to 112″ wc

Automatic Reset Low Pressure Switch

QPL31.010A00 Automatic Reset Low Pressure Switch 1/2 to 4″ wc
QPL31.050A00 Automatic Reset Low Pressure Switch 1 to 20″ wc
QPL31.075A00 Automatic Reset Low Pressure Switch 5 to 30″ wc
QPL31.280A00 Automatic Reset Low Pressure Switch 28 to 112″ wc

Differential Air Pressure Switch

QPD15.001A00 Diff Air Pressure Switch less than 2″ wc
QPD15.010A00 Diff Air Pressure Switch 2 to 20″ wc
QPD15.050A00 Diff Air Pressure Switch 10 to 60″ wc

CE Approved Pressure Switch

QPL15.003 CE approved, Auto reset .7 – 3 mBar pressure switch, O-ring connection
QPL15.010 CE approved, Auto reset 2 – 10 mBar pressure switch, O-ring connection
QPL15.050 CE approved, Auto reset 5 – 50 mBar pressure switch, O-ring connection
QPL15.150 CE approved, Auto reset 5 – 150 mBar pressure switch, O-ring connection
QPL15.500 CE approved, Auto reset 100 – 500 mBar pressure switch, O-ring connection
QPL25.003 CE approved, Auto reset .7 – 3 mBar pressure switch, 1/4″ connection
QPL25.010 CE approved, Auto reset 2 – 10 mBar pressure switch, 1/4″ connection
QPL25.050 CE approved, Auto reset 5 – 50 mBar pressure switch, 1/4″ connection
QPL25.150 CE approved, Auto reset 5 – 150 mBar pressure switch, 1/4″ connection
QPL25.500 CE approved, Auto reset 100 – 500 mBar pressure switch, 1/4″ connection

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