Ravi Electricals supplies Open Type Three Phase Variable Transformer. Ravi Electricals is an ISO 9001:2008 accredited company. Ravi Electricals is the manufacturer of continuously variable voltage auto transformer, variac auto transformer, variable transformer, variac transformer, voltage regulator, dimmer etc. Open Type Three Phase Variable Transformer has been available with the facility of floor mounting. Open Type Three Phase Variable Transformer has been supplied with the input of 415V AC 50/60Hz. This 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 F-3.