Kotsons pvt. Ltd. Produces single-phase transformers as per the international standards. Features of these transformers include: 1 phase, 50 hz, oil immersed, naturally cooled, pole mounted / platform mounted, double wound with aluminium / copper, step up/step down core type continuous duty transformers having no load voltage ratio from 5 kva to 167 kva upto 33 kv class with a class insulation and designed to withstand short circuit. The temperature rise will be 60/65 degrees celsius in oil/winding respectively over a maximum. They are self-protected type and also available for protection on both hv and lv side. Kotsons also manufactures three phase and ventilated dry type transformers.