supply, installation and commissioning of 10kva ups along with batteries for computers at newly allotted phd research centre of malayalam and commerce department at sreekrishna college, guruvayur , items to be supply , supply, installation, and commissioning of 10kva ups single phase in and out. with indoor ( ip20 ) with 60 min backup @ 10kva with min vah of 20160 ( smf battery of reputed approved make exide / quanta including rack and interconnecting cables ) , input pf >0.99, internal isolation transformers at input, double conversion technology with input voltage range 160-300 @ full load, 50hz single phase, output 230v, 50hz single phase, it shall be 100% generator compatible, with efficiency > 90% and output power factor unity ( 10kva= 10kw ) , eco mode efficiency 98% and including all accessories etc as required. the acoustic noise at 1m of the system should be <50db.the system shall comply to iec / en 62040-1, en / iec 62040-2, en / iec 62040-3, ce, bis, rohs, certificates, and relevant is standards. the system shall be true online double - conversion dsp based ups system and also ups shall be with automatic bypass builtin. the system shall have igbt rectifier and inverter. warranty 2 years for ups and batteries. comparable brands numeric-legrandapc / ge additionally 1. company owned service network locally required. 2. installation and commissioning from oem directly required. 3, warranty support from oem directly required. 4. camc from oem directly required. 5. product training from oem directly required. 6. warranty certificates for ups, batteries and isolation transformers are providing from oem directly required. 7.2 years warranty for ups 8. transformer should be built-in oem directly required. , 12v 84ah x 20 nos total vah 20160 exide / quanta smf batteries for 60 min backup. 2 years warrantyfor smf batteries considered.