supply of ups to english medium school guruvayur devaswom supply, installation and commissioning of 7.5kva ups along with battery at guruvayur devaswom english medium school, guruvayur , items to be supply , supply, installation and commissioning of 7.5kw standalone ups, single phase in and single phase out, with indoor ( ip20 ) with input pf >0.99, input thdi<5% without use of any external filters, double conversion technology with built in isolation transformer input voltage range 160-280@ full load, 50hz single phase, it shall be 100% generator compatible, with efficieny> 90% and output power factor unity ( 7.5kva = 7.5kw ) including all accessories etc as required. ups shall be with automatic bypass built in. the system shall have igbt rectifier and inverter. with iec 620401, 2, 3 and iso 14025 warranty 2 years for ups, including stand and interconnecting cables. approved make numeric / legrand / ge / abb , supply of 12v 28ah x 20 nos in each ups smf batteries. for 20 minute backup with smf battery of reputed approved make exide / quanta warranty 2 years