120V single-phase:
Neutral [White Wire] → IN_L1/N
Hot [Black/Red Wire] (L1) → IN_L2
Ground [Green Wire] → PE_IN
240V single-phase:
Hot [Black Wire] (L1) → IN_L1/N
Hot [Red Wire] (L2) → IN_L2
Ground [Green Wire] → PE_IN
Neutral [White Wire], if present, is left unconnected