AVR-R AC. Automaic Voltage Regulator Feature The series product is a Relay-type high accuracy household voltage
stabilized. Good for voltage regulation in wide range. It features
small dimension, light weight, small distortion of output wave
form, quick reaction. Ideal power source for modern house-hold
electrical appliance. Main Technical Data Phase No.: Single-phase Input voltage: AC 140V~ 250V Output voltage: AC 220V± 10% Frequency: 50Hz/ 60Hz With 3 sec./ 3 min. Delay function With low/ over-volage protetion Application TV set, refrigerator and other home appliances etc.