
Kromschroeder DL 4,5K-3 (84444730) air pressure switch
This pressure sensor is an original solution from the German manufacturer Kromschroder, a recognized leader in components for burner and air supply control. It is specially designed for reliable monitoring of positive, negative and differential pressure of air and flue gases in process installations. Main advantages Wide adjustment range: 0.3 … 5 mbar – allows precise setting of the switching point for your equipment specifics. Convenient adjustment: smooth adjustment using a manual wheel ensures ease of setting without additional tools. Versatility: suitable for pressure control in ventilation, air conditioning systems, boilers, burners and smoke extraction. Reliability and durability: original component from Germany with a quality membrane and stable contact switching even with frequent pressure fluctuations. Simple connection: screw terminals for quick and safe installation. ⚙️ What this sensor is for The pressure switch sensor is used to monitor minimum and maximum air pressure in process systems. When the set value is reached, it switches contacts, providing automatic activation or deactivation of equipment. This is critical for: ✔ protective functions of ventilation units ✔ monitoring the presence/absence of air flow ✔ safe operation of boiler and burner units ✔ preventing emergency situations during pressure drop or rise Such sensors are widely used in industry, municipal services and commercial facilities, where equipment reliability is key to uninterrupted operation. Why choose this sensor Certification and quality from a recognized European brand Ease of installation and maintenance High accuracy