Tender For 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 ]