The device has a complete protection mechanism, integrating overcurrent, overvoltage, and overheating protection functions to effectively ensure the safety of equipment and personnel. Adopting a compact structure design, it is small in size and convenient to install, suitable for the narrow installation space of industrial equipment; it has excellent anti-electromagnetic interference performance and can operate stably in complex industrial environments. The standardized interface design has strong compatibility, and with a simple programming interface, it reduces debugging and maintenance costs, making it a high-quality auxiliary component to improve the control flexibility and reliability of industrial equipment.