supply of supply, fitment, installation, commissioning and testing of 15kw , 1) supply, fitment, installation, commissioning and testing of 15kw (hd)/18.5kw(nd) 3-phas e vvvf drive,ac vvvf drive suitable for existing crane. rated voltage/rated frequency: three-phase ac p ower supply: 380 to 480 v ac, 50/60 hz, rated output current: normal use (in): 38 a, light-overload use (i ld): 36 a, heavy-duty use (ihd): 32.0 a, power consumption: 497 w, apparent power output: 26 kv-a, effi ciency level: ie2, standby loss: 37 w, temperature rating: maximum 50 ?c, degree of protection: ip20, o perating humidity (rhamb): 5-95 %, power factor: 0.98. with all types of protections like overload, single p hasing, short circuit, over voltage, phase imbalance, under voltage etc. as per ieee: 519 &iec:61000 or late st ,similar to model no. acs 380- 040s-38 a with supply, fitment, installation, commissioning and testing of 5 no. contactors rating 110 v, 25-35 a with 4no and 4 nc points. make : abb, schneider, l& t, siemens, si milar. 2) supply, fitment, installation, commissioning and testing of suitable punch grid type dbr rating : 1 5 kw/22 ωcompatible with the supplied vvvf drive. make: powermech engineering, trutech products, euro n tech, similar. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]