supply of supply, testing, installation and commis , supply, testing, installation and commissioning of pure sine wave 10 kva online ups with 18 0 ah, 12 volt battery bank consisting of 16 nos batteries along with battery rack. back up time 180 minute s minimum. switching technology: igbt-pwm. with inbuild isolation transformer. input voltage: ac single p hase 160v-260v output voltage: ac single phase, 230 volt, 50 hz. protection for under voltage at battery t erminal, short circuit & overload at ups output terminal, overload limit: 20% overload for minimum 10 min utes, 50% overload for minimum 1 minutes, 50% overload for minimum 3 second. additional 16 nos batteri es with same rated capacity and specification as above along with battery rack to be provided as spare ba ttery bank. battery type smf-vrla(make-as per mii policy) [ warranty period: 30 months after the date o f delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]