Siemens QPL25.150 pressure switch

Siemens QPL25.150 pressure sensor is a reliable device for monitoring air and flue gas pressure in ventilation, air conditioning, and burner equipment. The model is designed for use in automation and safety systems where precise differential pressure monitoring and stable operation of engineering equipment are required. Siemens QPL25.150 is used for monitoring air pressure, controlling fans, air dampers, and smoke extraction systems, as well as for monitoring draft and overpressure in burner installations. The device ensures timely activation of the automation system when pressure parameters change, helping to prevent accidents and increase operational reliability. The sensor features high switching accuracy, stable operation, and resistance to operational loads. Siemens QPL25.150 is widely used in boiler plants, HVAC systems, industrial ventilation, and heat engineering equipment where safety, parameter monitoring, and uninterrupted system operation are especially important. Advantages of Siemens QPL25.150: • Accurate monitoring of air and flue gas pressure • Reliable activation of automation system • Suitable for ventilation and burner equipment • High stability and durability • Easy installation and adjustment • Compatibility with Siemens equipment and HVAC systems • Resistance to industrial loads Specifications: • Device type: pressure sensor / pressure switch • Model: Siemens QPL25.150 • Purpose: monitoring of air and flue gas pressure • Measurement medium: air, non-aggressive gases • Application: ventilation, boilers, burners, HVAC systems • Operating principle: differential pressure monitoring • Installation: wall-mounted / built-in • Compatibility: Siemens automation systems