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QBM


The QBM category offers a wide range of high-quality Siemens products designed for precise and efficient control of building environments. From the Siemens FK-PZ series to the QBM3020 and QBM2030 models, this category features a variety of sensors and controllers to meet the unique needs of commercial and industrial buildings.

These products are known for their reliability, accuracy, and advanced functionality, making them ideal for applications such as HVAC systems, air quality monitoring, and energy management. Whether you need a simple temperature sensor or a complex control unit, the QBM category has a solution to help optimize performance, improve comfort, and enhance energy efficiency in any building environment.

With Siemens' reputation for innovation and quality, you can trust that QBM products will deliver consistent and precise performance for years to come. Explore the diverse range of Siemens QBM products in this category to find the perfect solution for your building automation needs.
  • QBM4000-1 Air duct differential pressure sensor 0…100 Pa, with calibration certificate

    Siemens QBM4000-1

    Siemens QBM4000-1 Air duct differential pressure sensor 0…100 Pa, with calibration certificate S55720-S247 Technical data and accessories identical to QBM3...With plug-in connection. Datasheet The Siemens QBM4000-1 Air Duct Differential...

    £385.83
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  • Siemens QBM81-3 Differential pressure monitor

    Siemens QBM81-3

    Siemens QBM81-3 Differential pressure monitor, 20...300 Pa Datasheet The Siemens QBM81-3 Differential Pressure Monitor is a high-quality, reliable device designed to accurately measure differential pressure in a range from 20 to 300 Pascal. This...

    £25.78
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  • Siemens QBM81-5 differential pressure monitor

    Siemens QBM81-5

    Siemens QBM81-5 Differential pressure monitor, 50...500 Pa Datasheet The Siemens QBM81-5 Differential Pressure Monitor is a reliable and accurate device designed for measuring pressure differentials ranging from 50 to 500 Pascals. With its precise...

    £25.78
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  • Siemens QBM81-20, Differential pressure monitor

    Siemens QBM81-20

    Siemens QBM81-20, S55720-S125 Differential Pressure Switch for air and nonaggressive gases 200...2000 Pa Datasheet The Siemens QBM81-20 (S55720-S125) is a reliable and accurate differential pressure switch designed for monitoring air and nonaggressive...

    £25.78
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  • Siemens QBM81-50, S55720-S126 Differential pressure monitor

    Siemens QBM81-50

      Siemens QBM81-50, S55720-S126 Differential pressure monitor, 500...5000 Pa Used as a flow switch or filter monitor in air ducts. Additional info Supplied complete with set of 2 air duct connectors (plastic) and 2 m long PVC tube. Datasheet The...

    £25.78
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  • Siemens QBM81-10 Differential pressure monitor

    Siemens QBM81-10

    Siemens QBM81-10 Differential Pressure Switch for air and nonaggressive gases 100...1000 Pa Datasheet The Siemens QBM81-10 is a reliable and efficient differential pressure switch designed for use with air and nonaggressive gases in a wide pressure...

    £25.78
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  • QBM3020-5D Air duct differential pressure sensor with display, 0…500 Pa

    Siemens QBM3020-5D

    Siemens QBM3020-5D Air duct differential pressure sensor with display, 0…500 Pa S55720-S241 For use with air or nonaggressive gases, for extremely demanding accuracy and high requirements. With diaphragm sensing element.Availabe with switchable...

    £172.24
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  • QBM3020-1D Air duct differential pressure sensor with display, 0…100 Pa, S55720-S239

    Siemens QBM3020-1D

    Siemens QBM3020-1D Air duct differential pressure sensor with display, 0…100 Pa S55720-S239 For use with air or nonaggressive gases, for extremely demanding accuracy and high requirements. With diaphragm sensing element.Availabe with switchable...

    £172.24
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  • Siemens QBM2030-5 differential pressure sensor, S55720-S245

    Siemens QBM2030-5

    Siemens QBM2030-5 Differential pressure sensor, 0…200 Pa, 0…250 Pa, 0…500 Pa S55720-S245 With pressure-linear characteristic.For use with air or nonaggressive gases, for general HVAC applications. With diaphragm sensing element...

    £97.36
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  • Siemens QBM2030-30 differential pressure sensor S55720-S246

    Siemens QBM2030-30

    Siemens QBM2030-30, S55720-S246 Differential pressure sensor, 0…1000 Pa, 0…1500 Pa, 0…3000 Pa With pressure-linear characteristic.For use with air or nonaggressive gases, for general HVAC applications. With diaphragm sensing...

    £97.36
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  • QBM2030-1U Differential pressure sensor, S55720-S244

    Siemens QBM2030-1U

      Siemens QBM2030-1U Differential pressure sensor, -50…50 Pa, -100…100 Pa, 0…100 Pa S55720-S244 With pressure-linear characteristic.For use with air or nonaggressive gases, for general HVAC applications. With diaphragm sensing...

    £97.36
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  • Siemens AQB21.2 top hat rail adapter for differential pressure sensor for air

    Siemens AQB21.2

    Siemens AQB21.2 top hat rail adapter for differential pressure sensor for air (5 pcs.) Used for mounting on DIN rails HT 35-7.5. Sensor with snap-on connection. Datasheet The Siemens AQB21.2 top hat rail adapter is a convenient solution for mounting a...

    £17.05
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