The Allen-Bradley Guardmaster MSR220P is a versatile monitoring safety relay designed to supervise various safety devices, such as emergency-stop push buttons, safety gates, and light curtains. This compact relay is engineered to meet high safety standards, including PLe and SIL 3. A key feature of the MSR220P is its inclusion of both immediate and time-delayed safety outputs. This dual functionality makes it exceptionally suitable for applications requiring a controlled or sequenced machine shutdown, allowing certain operations to complete before all power is cut. With removable terminals for easy installation and a robust design, the MSR220P provides a reliable and flexible solution for enhancing machine safety systems.