General SVR series electronic voltage regulator, adopts double sampling, double stabilize, GeneralSVR series electronic voltage regulator, adopts double sampling, double stabilize, time base integration for delay ... DataModelSVR 0.5-5KVAPhaseSingleInput voltage110V-260VOutput voltage220V±8%Under-voltage protection184V±4VOver-voltage protection246V±4VTime delaylong 5±2 mins, short 3 secsEfficency ...