A 400 Hz transformer is designed to efficiently filter and convert high-frequency signals in specialized applications, particularly in aerospace, military, and communication systems. Operating at 400 Hz, it effectively reduces noise and harmonics, ensuring clean and stable power. The transformer helps in filtering out unwanted frequencies from electrical signals, providing a more reliable and efficient power supply. With its precise design and ability to handle high-frequency loads, it is essential in systems requiring high-performance, noise-free power conversion.