supply of ups to guruvayur devaswom implementing e office at guruvayur devaswom supply of 15 kva ups , items to be supply , supply of 15kva ups three-phase in and out. with indoor ( ip20 ) with 60 min backup smf batterymin vah 24000 or 12v 100ah ( make-exide / quanta ) , input pf 0.99, it shall be 100% generator compatible, with efficiency > 90 % and output power factor .9 including all accessories etc as required. the acoustic noise at 1m of the system should be<69 db.the system shall comply to iec / en 62040-1 and type test for the quoted model, and relevant is standard along. the system shall be true online doubleconversion dsp based ups system and also ups shall be with automatic & manual bypass switch. the system shall have igbt rectifier and inverter. ( numeric / soccomech )