... , metal processing, constructional engineering, embroidery textiles, and production flow-line, electrical lifts, medical apparatus and instruments, air-conditioners ... :Input voltage: Three-phase four-line system phase voltage: 220±20%Line voltage: 380V±20%Phase voltage: ... minuteOutput voltage: Phase voltage: 220V Single-phase: 220V Line voltage: 380VOverload capacity: it can last 1 minute ...