The Pilz 312225, also known as the PNOZ s9, is a versatile safety time relay from the compact PNOZsigma product family. This unit is specifically designed for monitoring time-critical functions in safety applications, offering reliable off-delay, on-delay, and pulsing capabilities. It is commonly used to ensure that hazardous movements have completely stopped before allowing access to a machine, thereby enhancing operator safety. With its narrow 22.5 mm housing, the PNOZ s9 saves significant space in the control cabinet. The device features screw terminals for simple and secure wiring and is certified to meet key international safety standards, making it an ideal choice for implementing robust safety circuits in industrial automation.