SVC Single-phase Full-automatic AC Voltage Stabilizer with Input Voltage of 160 to 250V Input voltage: 160 to 250V, 70 to ... ;3%Phase: single phaseFrequency: 50 to 60HzResponse time: within 1 second against 10% change input voltage deviation Efficiency: more ... , 1,000, 1,500, 2,000, 3,000 and 5,000W SVC Single-phase Full-automatic AC Voltage Stabilizer with Input Voltage of 160 ...