Siemens QBM81 Series Differential Pressure Switch


Siemens 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.


In ventilation and air conditioning plants to:

Monitor differential pressure, underpressure and overpressure, Monitor air filters and air flows, Recognize torn fan belts and Differential pressure switches can be used in clean rooms, kitchens etc.

In Stock

Product Description

Siemens Differential Pressure Switch QBM81 series is mainly used for air and nonaggressive gases which is easy to mount also features >1 mio switching cycles, highly precise setting and long-term stability.

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