ZAKF 50hp permanent magnet variable frequency air compressor, with CE certification, standard voltage of 380v/50hz or customized voltage. The permanent magnet variable frequency air compressor operates in combination with a permanent magnet and frequency converter and can adjust the power frequency and motor speed in real-time according to different working pressure requirements. Compared to traditional power frequency air compressors, the air pressure is more stable, energy-saving, stable operation, less noise and has a longer service life.