Turck FK 4.4-1 18.25 S613 Eurofast Female Receptacle

The TURCK FK 4.4-1 18.25 S613 Euro-fast Female Receptacle is a front-mount M12 panel-mount connector designed for sensor and actuator wiring in industrial automation. It offers a 4-pin, 4-wire signal interface housed in a nickel-plated brass (CuZn) shell, rated for 250 V and 4 A in mated condition, with IP67/IP68 protection and a operating temperature range of -40°C to +85°C. The front panel mounting uses a 1/4"-18 NPT thread, enabling rugged, sealed field connections in machines, packaging lines, conveyors, and distributed I/O systems. Its official part number is FK 4.4-1 18.25 S613 (also listed as U5199), and it is categorized as a Eurofast Female Receptacle / M12 Panel Mount Connector. Typical applications include industrial control panels, packaging equipment, conveyor systems, automotive assembly lines, and robotics where reliable sensor/actuator connectivity and environmental sealing are required. Common replacements listed with this part include TURCK FK 4.4-0.5/18.25/S613 Panel Mount Receptacle and TURCK FS 4.4-*/18.25/S613 M12 Euro-fast cord-set system.