The Pilz 751105, also known as the PNOZ s5 safety relay, is a high-performance safety device designed for monitoring time-critical functions in industrial applications. Part of the compact PNOZsigma series, this unit provides reliable off-delay timing functions for applications such as Emergency-Stop pushbuttons, safety gates, and light barriers. Its slim 17.5 mm housing saves valuable cabinet space while offering powerful features, including two instantaneous and two delayed safety contacts. The PNOZ s5 is easily configured via a rotary switch on the front panel, ensuring flexible and precise control over safety-related timing sequences to protect both personnel and machinery.