supply of supply installation testing and commissioning of 7.5kw vvvf drive.supply installation testing and commissioning of 7.5kw vvvf drive.,supply installation testing and commissioning of 7.5kw vvvf drive, voltage 380 to 500 volt, current with 150 percentage overload for 60 seconds and 180 percentage for 02 seconds in cycle of every 300 seconds with protection against harsh environment 3c3 for 7.5kw 3 phase induction motor of eot cra ne, ambient temperature 50 degree c, with suitable rating of dbr 28 ohm, 3kw, make & model of vvvf dr ive: schneider electric, atv320u75n4c [ warranty period: 30 months after the date of delivery ] ]