bids are invited for 7.5 kva online ups - input power single phase 160v-260v sinewave - 50hzoutput power single phase-230v+/-1% sinewave 50hzbackup time -120 minutesminimum vah – 24000minimum thickness of m.s sheet enclosure duel painted-1.2mm20% overload limit for minimum 10 minutes-yesoverall efficiency - >/=90%total harmonic distortion-maximum 3%.50% overload limit for min 1 minutes- yesdigital metering in ups for ac input voltage, output ac voltage, frequency, battery voltage & current-yeswarranty for ups - 3 yrswarranty for battery - 2 yrs , 5 kva online ups - input power single phase 160v-260v sinewave - 50hzoutput power single phase-230v+/-1% sinewave-50hzbackup time -240 minutesminimum vah – 38400voltage regulation from no load to full load - /=90%total harmonic distortion - maximum 3%50 % overload limit for minimum 1 minutes - yesdigital metering in ups for ac input voltage, output ac voltage, frequency, battery voltage & current - yeswarranty for ups - 2 yearswarranty for battery - 2 years , 3 kva online ups - input power single phase 160v-260v sinewave - 50hzoutput power single phase -230v+/-1% sinewave-50hzbackup time -240 minutesminimum vah - 19200cabling 5 meters for input & output - with.paralleling kit for synchronizing - withoutinstallation and commissioning - yesminimum thickness of m.s. sheet enclosure duly painted - 1.0mmwarranty for ups - 3 yearswarranty for battery - 2 years , switch box - no of sockets 16 amp - 6 pin (03 nos)no of sockets 6 amp - 5 pin (03 nos)no of 16 amp switches (03 nos)no of 6 amp switches (03 nos )no of cores in the cable (03 nos) , connecting cables - cable size (sq-mm) - 10 voltage grade (uo/u) - 3.3kilo voltmaximum conductor temperature - 99 degree celsiusmaximum operating temperature - 96 degree celsius maximum ambient temperature- 55 degree celsius maximum short circuit temperature for conductor - 299 degree celsiusthickness of conductor screen