(Using Variable Auto Transformer) Technology -controller based with digital signal processing Type Three Phase, 4 wire Make BHAGWATI Input Voltage Rangecustomized Output Voltage customized +/- 1% Input Frequency Range Hz Rate of correction 70 V/Sec Line to Line Efficiency - >98% at full load Type of Load Unbalanced Features:- � controller based technology with digital signal processing. Output voltage adjustment +/-10V. Output voltage On-delay 5 Sec. LCD display for all critical parameters. Continuous voltage and current monitoring for each phase. Load Power factor Unity Protection :- High / Low Voltage cut off at input and output Short circuit / Overload protection Input/Output Line - Neutral voltage monitoring. Load current monitoring for each phase. Single Phasing Protection.