East Central Railway

East Central Railway has published Short dated tender - Supply Of led l 9 watt, 1) wattage-9w+10% 2) input voltage-220v-240v 50hz 3) operating voltage-100v-300v ac 4) , led lamp 9 watt, 1) wattage-9w+10% 2) input voltage-220v-240v 50hz 3) operating v oltage-100v-300v ac 4) input frequency 45-55 hz 5) power factor->0.9 6) driver efficiency >85% 7) l uminous flux 7001m-8501m 8) luminous efficiency 751m/w-851m/w 9) color temperature cool white (4000k-7000 k) 10) cri (color rendering index) >80 11) optics used-glass (milky) 12) material for led engine- meta core pcb 13) type of holder/cab- b22/e27 14) material for housing- aluminium die cast 1 5) temperature rise 25degreec-30degree c @25degree c ambient 16) protections- open loop, short ci rcuit, surge (up to 3 kv), ingress (ip 20) 17) type led- high power smd (surgace mounting device) 18) led beam angle >120 degree 19) led life 40,000-50,000 hours 20) working 0 degree c-50 degree c as per is16102 (part i) and performance requirement as per is16102 (part - ii) [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] , 14 w led lamp rated voltage 230v ac 50hz voltage range 100v-300v ac [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]. Last date of submission for this tender is 2026-09-07. This is a Led Light tender in null, Bihar