The LS Industrial Systems' CAST RESIN Transformer has succeeded in combining the advantage of oil-filled and conventional dry type transformers, which are fabricated with an epoxy resin. The windings are completely embeded under vacuum conditions. Environmentally safe LS CAST RESIN Transformers will not emit oil or toxic gases into the atmosphere. Therefore, they do not pollute the environment and are strongly recommended as a replacement for askarel(PCB)-filled transformers. Moisture proof The complete casting of coils under vacuum prevent the penetration of moisture into the winding.Therefore, it is suitable for both storage and operating in harsh environment and is capable of being switched on immediately after such storage without pre-drying. No partial discharge There is no possibility of partial discharge in LS CAST RESIN Transformers.Whole core & coil is tested to guarantee the life expectancy of the insulation system.LS CAST RESIN Transformers are free of partial discharge at least up to 1.2 times of the rated voltage.