IG-AVRi-TRANS/LV Power Supply Transformer for IG-AVRi Module [su_row] [su_column size=”3/5″] Primary voltage 1: 230 – 277 VAC +- 20% Primary voltage 2: 400 – 480 VAC +- 20% Frequency range: 50 – 60 – 400 Hz [/su_column] [su_column size=”2/5″] [/su_column] [/su_row]