Ravi Electricals manufactures Two-Phase Open Type 20Amps Variable Transformer. Ravi Electricals is an ISO 9001:2008 registered company. Ravi Electricals supplies continuously variable voltage auto transformer, variac auto transformer, variable transformer, variac transformer, voltage regulator, dimmer etc. Two-Phase Open Type 20Amps Variable Transformer comes in motorized model. Two-Phase Open Type 20Amps Variable Transformer has the input of 240V AC 50/60Hz and the output voltage of 0-270V. The weight of this single phase open type variable transformer is 18.300kg. It is available in the model no. Of 20FM-1.