supply of supply, installation, commissioningsupply, installation, commissioning,supply, installation, commissioning and testing of yaskawa or siemens or abb or its equiva lent make -variable voltage variable frequency drive for existing crane description: 3ph, 400v, 11 kw (hd) / 15 kw (nd), max. output frequency- 590 hz, output frequency resolution- 0.001 hz, protection design- i p20, ambient temperature -10ëšc to +50ëšc (without derating) up to +60ëšc with derating. horizontal or vert ical placement of the drive. specifications copy enclosed. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited