The Hydac EDS 344 (Part Number 43516) is a compact electronic pressure switch designed for reliable pressure monitoring in hydraulic and pneumatic systems. It features an integrated pressure sensor with a robust ceramic measuring cell and a thick-film strain gauge, ensuring high accuracy and long-term stability. This model is factory-set for a 400 bar pressure range and provides a single PNP switching output. Its compact design, coupled with a standard M12 electrical connector and G1/4 process connection, allows for easy integration into a wide range of industrial and mobile applications.