Ravi Electricals manufactures Close / Project Type Three Phase Variable Transformer. Ravi Electricals has been awarded ISO 9001:2008 certifications. Ravi Electricals is the supplier of continuously variable voltage auto transformer, variac auto transformer, variable transformer, variac transformer, voltage regulator, dimmer etc. Close / Project Type Three Phase Variable Transformer has been provided with the input of 415V. AC 50/60Hz. Close / Project Type Three Phase Variable Transformer has the output voltage of 0-470V. This transformer is available in the range of 1Ampere, 2Ampere, 3Ampere, 4Ampere, 5Ampere, 6Ampere, 8Ampere, 10Ampere, 12Ampere, 15Ampere, 20Ampere, 25Ampere, 28Ampere, 30Ampere, 40Ampere, 60Ampere, 75Ampere, and 100Ampere. This can be available in the model no. Of P-3.