supply of 60 kva three phase automatic oil cooled servo voltage60 kva three phase automatic oil cooled servo voltage,60 kva three phase automatic oil cooled servo voltage stabilizer indoor type w ith three phase inuput and three phase output voltage, input voltage range 295v to 465v ac & output voltage 415v, including bypass switch, operating efficiency range >98% & working at ambient temperature 20c to 50c conf. to isi marked latest or to is 9815 with latest amend ment. make:- servokon, voltech, servomax, technopower system, vertex power, eaton & org on electric. [ warranty period: 30 months after the date of delivery ] ]