R1.188.0990.0 is a SNO 4063K-A emergency stop and safety gate monitor designed for safety-critical applications requiring two-channel control and monitoring. The device operates at AC/DC 24 V with pluggable connector rising cage termination, providing three enabling current paths with positively driven NO contacts for reliable safety switching. It features cross-monitoring capability, manual or automatic start options, and supports Stop Category 0 according to EN 60204-1, achieving Safety Category 4 per EN 954-1. The device includes 3 LEDs for function display, output voltage of DC 22 V, and maximum continuous current of 6 A per path with 12 A total current capacity. Applications include emergency stop buttons, safety gates, safety mats, and light curtain monitoring in industrial control cabinets with IP 54 protection or higher.