Balance output : Suitable for balanced 3 phase load. (no Need of unbalance 3 phase inverter which is more expensive)IGBT based inverter : Rugged design, can deliver 5 times peak output current, suitable for lifts with AC drive
IGBT based inverter : Rugged design, can deliver 5 times peak output current, suitable for lift without AC drive, Air conditioner & Industrial LoadsAutomatic Changeover Using 3 phase contactors :No attendant repaired