supply of 2 kva ups to guruvayur devaswom supply,installation and commissioning of for 2 nos 2 kva ups at comfort station near devaswom hospital , items to be supply , supply, installation, and commissioning of 2kw ups stand-alone configuration. single phases in and out. indoor type (ip20). input pf 0.99, it shall be 100% generator compatible, with built-in isolation transformer at input side. efficiency > 92 % and output power factor unity (2kva = 2kw), including all accessories etc. as required. the acoustic noise at 1m of the system should be<65db.the system shall comply to iec /en 62040-1 for safety, iec 62040-2 for electromagnetic compatibility), iec 620403, for performance, marking ce, bis, rohs and relevant is standard along. the system shall be true online double - conversion dsp based ups system and ups shall be with automatic bypass switch. the system shall have igbt rectifier and inverter.(numeric legrand/apc/ge) , 12v 28ahx 6 nos set (exide/quanta)