air pressure switch / differential / HVAC / IP54
QBM81 series SIEMENS Building Technologies

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Characteristics

  • Fluid:

    for air

  • Technology:

    differential

  • Applications:

    HVAC

  • Other characteristics:

    IP54

  • Process temperature:

    Min.: -30 °C (-22 °F)

    Max.: 85 °C (185 °F)

  • Pressure range:

    7,500 Pa (1.09 psi)

Description

The QBM81 is a differential pressure switch specifically designed for monitoring under and over pressure in ventilation as well as air conditioning plants. This tool has a pressure of 20 to 5000 Pa, single pole changeover output, an IP54 protection class and a temperature range of 0 to 70 °C.

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