Frequency converter with robust protection and flexible control options Key benefits Fast stop response and wide speed range for precise, responsive motor control in dynamic applications. Builtin protection features for reliability, including undervoltage, overvoltage, overcurrent, and overheat safeguards. Flexible control interfaces through external controllers, enabling speed regulation via 05V or 010V analog input and 020mA current input. Multifunction relay transmission plus additional functions, including a pressure watersupply function, for versatile system integration. Immediate shortcircuit protection to stop operation and protect equipment. Maximum output frequency of 0400 Hz supports speed operation when required. Product features External controller compatibility: allows connection to an external control system for precise speed regulation using standard analog or current signals. Analog and current input options: 05V/010V analog input and 020mA current input provide flexible control schemes for different applications. Protective functions: internal protections cover under and overvoltage, overcurrent, and overheat conditions to enhance safety and longevity. Shortcircuit protection: the unit stops immediately in the event of a short circuit to prevent damage. Output performance: capable of delivering a maximum output frequency of 0400 Hz for speed motor operation. Relay and watersupply related functionality: features multifunction relay transmission with additional watersupply related capabilities. Applications and use scenarios Conveyor systems in manufacturing: use external controller signals to adjust belt speed for synchronized production lines, with rapidstop capability for safety. Industrial pump or water supply systems: regulate pump speed via