Ravi Electricals supplies 4Amps Variable Auto Transformer. Ravi Electricals has achieved ISO 9001:2008 certifications. Ravi Electricals is the manufacturer of continuously variable voltage auto transformer, variac auto transformer, variable transformer, variac transformer, voltage regulator, dimmer etc. 4Amps Variable Auto Transformer has the input voltage of 120V AC 50/60Hz and output voltage of 0-140v. 4Amps Variable Auto Transformer is a single phase transformer with open type. This variable auto transformer can be available in the model no. Of US4F-1.
