supply of supply, installation, testing and commis , supply, installation, testing and commissioning of led high bay light, rated power-200watt, r ated volt.-240v ac 50hz, led chip efficacy (l/w)≥130, luminarie system efficacy (l/w)≥120, beam angle o f light source (in degree)≥120, cri- ≥70, color temp.- 6000k(plus, minus) 500, led life ≥ 50000 hours, opti c lense material-poly carbonate lense, power factor-≥0.95 at full load, input operating voltage range and fr equency-140 to 300 v, ip-66, installation height- 9 meter, impact resistance-yes ik07, shape of luminaries- round, type of mounting-metallic adjustable bracket with eye bolt, lamp housing-pressure die cast aluminu m alloy, heat sink-yes, type of coating- epoxy powder coated, material of fasteners-ss, pcb grade-fr4, the luminaries shall be protected against surge and transients-≥5 kv (internal), 10 kv (external), short circuit protection-yes, over voltage protection-yes, make- havells, crompton, surya, philips, bajaj, c&s, halonix, orient electric, panasonic. [ warranty period: 60 months after the date of delivery ] ]