Key Specifications/Special Features:

Automatic voltage regulation
Protection against brownouts and over-voltages
Short circuit and overload protection
Dual voltmeter indicates line voltage and regulated voltage
LED indicators to show status of working, unusual and delaying
Selectable delaying time
Built-in transformer: square transformer or servo motor
Surge, spike and lightning protection (customized option)
Input: 80 to 140V/140 to 250V AC
Output: 110V/220V AC
Frequency: 50/60Hz
Delay time: 6 secs/2 to 3 minutes
Power: 5/8/10, 20, 30kVA