Assembly lines in motor vehicle manufacturing rely on precise energy measurement to monitor and control production processes. This device is installed within electrical control cabinets to track active energy consumption in real-time, ensuring efficient power distribution across automated stations. It integrates seamlessly with the plant’s monitoring systems, providing critical data for energy audits and optimizing machine performance. By measuring electrical impulses from auxiliary voltage inputs, it enables operators to detect anomalies in power usage, such as inefficient motor operations or electrical faults. This capability is essential for maintaining compliance with energy regulations and reducing operational costs. The device’s adjustable settings allow it to adapt to varying voltage levels, making it suitable for different stages of the assembly line. Its presence supports the continuous flow of production, ensuring that energy resources are used effectively and sustainably. In secondary applications, it is also used in industrial automation systems for process control and diagnostics.