Tender For supply, testing, installation and commissioning of pure sine wave 10 kva online ups with 180 ah, 12 volt battery bank consisting of 16 nos batteries along with battery rack. back up time 180 minutes minimum. switching technology: igbt-pwm. with inbuild isolationtransformer. input voltage: ac single phase 160v-260v output voltage: ac single phase, 230 volt, 50 hz. protection for under voltage at battery terminal, short circuit & overload at ups output terminal, overload limit: 20% overload for minimum 10 minutes, 50% overload for minimum 1 minutes, 50% overload for minimum 3 second. additional 16 nos batteries with same rated capacity and specification as above along with battery rack to be provided as spare battery bank. battery type smf-vrla(make-as per mii policy) [ warranty period: 30 months after the date of delivery ]
Tender For supply, installation and commissioning of online ups with inbuilt isolationtransformer suitable for single phase ac input and single phase ac output,floor mounted type.rating of ups 5.0 kva,indicative back up time :120 minutes including all accessories and input,output power cables with 03 years warranty including battery.
Tender For installation of jumbo display system with isolationtransformer and execution of associated structural, earthing and other miscellaneous works in respect of bokaro colliery
Tender For supply, installation and commissioning of online ups with inbuilt isolationtransformer suitable for single phase ac input and single phase ac output,floor mounted type.rating of ups 5.0 kva,indicative back up time :120 minutes including all accessories and input,output power cables with 03 years warranty including battery.