SVC series three phase high precision AC automatic voltage regulator, combined of 3 sets of AVR single phase regulator and input is 3 phase 4wire system and connected as star-type, output voltage is 220V (phase voltage) and 380V (line voltage). Within the rated capacity range, it can also be used as 3 sets of single phase stabilizer or 1 set of three phase stabilizer. Functions and Features 1. High precision of output voltage. 2. Compact size, light weight. 3. Continuous and stable voltage. 4. Wide range of regulation. 5. Strict design, Accurate assemblage. Model: SVC-0.5kVA, 1000VA, 1500VA, 2000VA, 3000VA, 5000VA, 7500VA,10KVA, 15KVA, 20KVA, 30KVA Input voltage: 276V~432V other voltage system available Output voltage: 380V+/-3% other voltage system available Frequency: 50Hz/60Hz Usage area: Computer, copy machine, testing equipments, lighting equipments, TV set, medical equipments, communicating equipments, Industrial automation TV, air conditioner , refrigerator, programming telephone, high class video and light system.etc.