Available. The Phoenix Contact 2901746 is an adapter cable designed to connect PSR over-speed safety relays (PSR-RSM4 and PSR-MM30) to controllers from Siemens and Heidenhain. This 2.5-meter cable features a 25-position D-SUB connection and an RJ45 connector, facilitating seamless integration between safety relays and controllers. The cable is constructed with LSHF (Low Smoke Halogen Free) outer sheath material and bare copper litz wires, ensuring durability and reliable performance in industrial environments. It is suitable for both fixed and flexible installations, operating within ambient temperatures of -20°C to 60°C for fixed installations and 0°C to 50°C for flexible installations. The Phoenix Contact 2901746 adapter cable is an essential component for establishing secure and efficient connections in industrial automation systems, particularly in applications requiring over-speed safety monitoring.