replacement of conventional flood lights into led flood lights at dr babasaheb ambedkar international airport nagpur , supply of 2 x 250w crescent shaped led flood light made of pressure die cast aluminium housing & having system lumen > 52000 lumens , heat resistant toughened glass , back opening driver compartment for ease of maintenance , input voltage working range 140vac to 300vac , leds with induvial pmma lens of 30 degree beam angel for better light disribution , potted type driver for long life with short circuit , open circuit , high voltage protection with upper cut off limit of 100vac & auto restart after stable voltage , over temperature protection ( driver to withstand till 60 degree temp ) , fitting have to withstand for 8 hrs in case of 440 vac fault , each driver have internal surge protection 4kv line -line & 6kv line-earth & potted type 5kv external surge protection , thd <10% , cct: 5700+/-300k , pf> 0 . 95 , temp working range -10 degree to 60 degree c , ip66 protection for dust & water , driver efficiency > 90% , cri>70 , ik08 protection , lm79 report from in house nabl accredited lab , lm 80 report , tds ( crompton : lflpi-500-cdl/30 ) ( dimension : 720mm x 420mm x 145mm ) , supply of 2 x 250w crescent shaped led flood light made of pressure die cast aluminium housing & having system lumen > 52000 lumens , heat resistant toughened glass , back opening driver compartment for ease of maintenance , input voltage working range 140vac to 300vac , leds with induvial pmma lens of 60 degree beam angel for better light disribution , potted type driver for long life with short circuit , open circuit , high voltage protection with upper cut off limit of 300vac & low voltage protection with lower cut off limit of 100vac & auto restart after stable voltge , over temperature protection ( driver to withstand till 60 degree temp ) , fitting have to withstand for 8 hrs in case of 440 vac fault , each driver have internal surge protection 4kv line -line & 6kv line-earth & potted type 5kv external surge protection , thd <10% , cct: 5700+/-300k , pf> 0 . 95 , temp working range -10 degree to 60 degree c , ip66 protection for dust & water , driver efficiency > 90% , cri>70 , ik08 protection , lm79 report from in house nabl accredited lab , lm 80 report , tds ( crompton : lflpi-500-cdl/60 ) ( dimension : 720mm x 420mm x 145mm )