SCR-series voltage regulator intelligent meter display full automatic AC voltage regulator adopts the international advanced technology and intelligent CPU centralized control technology. It has the advantages of high efficiency, beautiful appearance and reliable performance and so on. It is controlled by CPU to regulate the relays automatically. With high accuracy output voltage and its voltage display is intuitive. All products have over voltage, delay, temperature and error production and also voltage two-way indication. All panels are made with ABS materials, and all indicator gauges are digital display, it leaves you a brand-new impression. These high performance products are specialized for users of unstable voltage and precision electronic instruments and equipments. Compared with other like products, ours have a higher ratio of performance to price. InputPhaseSingle PhaseVoltage140-270VFrequency50/60HzOutputVoltage220V±8%Efficiency95%±5%TechniqueDelayLong 5±2mins,short 3secs DisplayMeterHigh VoltageProtection AvailableLow VoltageProtection AvailableOverloadProtection AvailableShort CircuitProtection AvailableTemperatureProtection AvailableConditionTemperature-5-60Relative Humidity20%-90%