The SIEMENS 3SK1111-1AB30 is a safety relay designed for precise control and monitoring in industrial automation systems. It operates with a coil voltage of 24 VAC or 24 VDC, providing versatile compatibility for different control configurations. The relay features contact types of 3 Form A (3PST-NO) and 1 Form B (SPST-NC), ensuring flexible switching options for safety and control circuits. With screw-type terminals for secure wiring and contact ratings of 1 A and 5 A, it offers reliable electrical performance and durability in demanding applications. The SIEMENS 3SK1111-1AB30 could potentially be integrated into safety and automation systems across North America, Europe, Asia, and worldwide, providing dependable safety relay functionality and consistent operational integrity.