The 521 switch features a compact and robust design, suitable for both factory-set normally open (N/O) and normally closed (N/C) functions. This switch can operate within a pressure range of 0 to 600 bar and handle ambient temperatures from -40 to +135°C, making it suitable for both liquids and gases.
521 Series
The Huba Control 521 electronic pressure switch uses thick-film technology and has a fully sealed pressure measuring cell.