: Users can check the cause of the last trip (e.g., "HU" for high voltage or "LU" for low voltage) by pressing and holding the button for more than 12 seconds. Key Technical Specifications
The is a multifunctional protective device designed to safeguard household appliances and industrial equipment from voltage fluctuations and overcurrent issues. This guide provides a comprehensive overview of its features, installation process, and programming settings. Technical Specifications tomzn tovpd1-60-ec manual