Siemens QPL25.003 pressure switch

Siemens QPL25.003 pressure switch is a reliable device for monitoring air and non-aggressive gas pressure in ventilation, air conditioning and burner equipment. The model is designed for use in automation and safety systems where stable equipment operation and precise pressure control are especially important. Siemens QPL25.003 is used to monitor overpressure, vacuum and differential air pressure. The device ensures timely activation of the automation system when pressure parameters change, helping to prevent emergency situations, protect equipment and improve operation safety of engineering systems. The pressure switch is widely used in ventilation systems, smoke extraction, boiler plants, gas burners and HVAC equipment. High sensitivity and robust design ensure stable operation even under intensive and prolonged use. Advantages of Siemens QPL25.003: • Accurate air and flue gas pressure control • Reliable automation system activation • Suitable for ventilation and burner systems • High stability and durability • Easy installation and adjustment • Compatibility with Siemens equipment and HVAC systems • Resistance to industrial loads Specifications: • Device type: pressure switch • Model: Siemens QPL25.003 • Purpose: air and non-aggressive gas pressure control • Measured medium: air, flue and non-aggressive gases • Application: ventilation, boilers, burners, HVAC systems • Operating principle: differential/overpressure control • Mounting: wall-mounted / built-in • Compatibility: Siemens automation systems • Housing material: industrial thermostable plastic • Manufacturer: Siemens • Country of brand: Germany