The power phases that are controlled by Altistart 01 Soft-Starter are as follows:
In N1 Range of Altistart 01 Soft-Starter only 1 Phase is controlled and that is L1, L2 and L3 are uncontrolled.
In N2 Range of Altistart 01 Soft-Starter only 2 Phases are controlled and that is L2 and L3, L1 is uncontrolled.