Rack Mount Active Power Filter (APF) 50A – 200A Model Number: APF 3P3W 50A – 200A, APF 3P4W 50A – 200ANominal Capacity: 50 A – 200ANominal Voltage: 220VAC, 400VAC, 690VACNominal Frequency: 50HZ/60HZInstallation method: Stand, Wall Mount and Rack Mount Application field: Rail transit, petrochemical industry, offshore oil, automobile manufacturing, machinery heavy industry, sewage treatment, mining smelting, municipal engineering, telecommunications banks, hospitals, intelligent buildings, conference centers , amusement centers, cement, electronics, paper, rubber, semiconductors, steel mills, non-ferrous metal smelting, electrification, etc.