"CROWN offer good quality of single phase and three phase Auto Transformer. It has a single winding which is made up of supreme grade copper wire. the output voltage can be varied the as required.
SPECIFICATION
SINGLE PHASE AUTO TRANSFORMER
INPUT : 240V AC
OUTPUT : 0 - 270V AC
OUTPUT CURRENT (MAX.) : 2/4/6/8/10/15/20/28 Amp.
THREE PHASE AUTO TRANSFORMER
INPUT : 415V AC
OUTPUT : 0 - 470V AC
OUTPUT CURRENT (MAX.) : 2/4/6/8/10/15/20/28 Amp