Intrans Electro Components Pvt. Ltd manufactures Oil Test Set with Cast Resin Transformer. Intrans Electro Components Pvt. Ltd is an ISO 9001: 2000 certified company offering a wide range of Cast Resin Transformers, Unitised Sub Stations, Load Break switch Metering Panels, Potential Transformers and epoxy moulded components. The Oil Test Set with Cast Resin Transformer is used for testing dielectric strength [BDV] of transformer oil and consists of a centre tap type high voltage cast resin type transformer which feeds the voltage to the liquid dielectric through the system of electrodes.