Supply, Installation And Commissioning Of Variable Voltage Variable Frequency Drive Suitable For Existing Panel. Description: 3 Ph, 400V, 37 Kw Hd/ 45 Kw Nd Ga700 Cipr-Ga70d4089abma, 89 Amp, Max. Output Frequency- 590 Hz, Output Frequency Resolution- 0 .001 Hz, Protection Design- Ip20, Ambient Temperature -10 %U030ac To +50 %U030ac Without Derating Up To +60 %U030ac With Derating Make: Yaskawa, L&T, Siemens, Abb Or Equivalent. Warranty Period: 30 Months After The Date Of Delivery