The ABB CA5X-04M is a microprocessor-based, multifunction digital timer relay from ABB's advanced CA5X series. The suffix "-04M" indicates a model that is 4 modules wide (approximately 72mm) on a standard DIN rail and features a built-in digital numeric display ("M") for real-time status and setting visibility. It represents a modern, versatile, and user-friendly timing solution for complex automation and process control applications.