This stands for Emergency Stop. It's a safety mechanism that allows a person to quickly stop a machine's operation in case of an emergency or unsafe situation. http://www.pilz.com These are

After an E-STOP condition has been resolved, the PNOZ s4 C often requires a manual reset to restart machinery or equipment. http://www.pilz.com This prevents accidental restarts and ensures that safety

The PNOZ s4 safety relay, like other models in the PNOZ series by Pilz, is designed to monitor safety gates effectively in industrial settings. The PNOZ s4 checks the position

The PNOZsigma safety relays are designed to monitor various safety functions such as emergency stop (E-STOP), safety gates, and light barriers. Each PNOZ safety relay typically handles one specific safety