The Tapeswitch PRSU/4 (Part No. 920022) is a compact and versatile safety control unit designed for monitoring pressure-sensitive safety devices such as safety mats, edges, and bumpers. Operating on a 24V AC/DC supply, this DIN rail mountable unit ensures high levels of machine safety. It features dual safety outputs and an auxiliary output, meeting the requirements for Safety Category 3 and Performance Level ‘d’ according to EN ISO 13849-1. With options for both manual and automatic reset, the PRSU/4 provides a reliable and flexible solution for integrating pressure-sensitive safety components into industrial control systems to protect personnel and equipment from hazardous machine motion.