North Central Railway Tender

A complete indoor type LED tube light fitting 1X18/20 watt complete with 4 feet LED 1 tube, lighting unit consisting of a light source and driver to together with parts of distribute light, to position and protect the light source, and to connect the light source to a branch circuit. The light source itself may be an LED array and LED module, or an LED Lamp. Supply LED luminaries shall conform to IS:16101(2012), IS: 16106(2012) or latest.

"Supply, erection, testing and commissioning of 4 5 watt Street light LED fittings, pressure die cast Aluminium housing, reflector and enclosed with toughened glass, IP-65/66. Complete with suitable size G.I. Bracket and all other accessories required as per site. "

"supply, erection, testing and commissioning of integrated 30W LED Solar Street Light (LED based) consist of white LED luminaire ( LED + Driver) rating as per configuration along with Solar PV modules and LiFePo4 battery of given capacity, necessary control electronics, 3 interconnecting wires / cables, module mounting structures, etc. to operate from dusk to dawn, PV MODULE Type of PV Module Only indigenous modules of IEC Tested used. Crystalline high power/efficiency cells used in the solar photovoltaic module Power output of PV Module 75 Wp at 16.4 ±0.2 Volt at STC PV Module Efficiency 14%. The open circuit voltage of the PV modules under STC (in volts) 21 Certification /Report Certified by MNRE/NABL authorized test center as per latest edition of IEC 61215 edition II / IS 14286. BIS CRS compliance for PV Module as per IEC 61215 Edition II / BIS 14286 from NABL or IECQ accredited Laboratory Mnimum warranty period for PV Modules (in Years) PV module warranted for output wattage 90% at the end of 10 years and 80% at the end of 25 years, Type of Battery Lithium Ferro Phosphate battery (LiFePo4). Operating from dusk to dawn first four hour full brightness, rest of the time at lower level, with motion sensor Battery capacity 12.8 V (nominal), 30 Ah at STC (2 day autonomy) Cycle/ Current Battery cycle life 2000 cycle at 80 % discharge, Type of LED (Light source) 30 Watt White LED type LED chip Efficacy (Lumen/watt) 135 Luminaire System Efficacy - Lumen output - (Lumen/watt) 120, The color temperature of white LEDs used in the system 5500 degree K - 6500 degree K., The temperature of heat sink 20 degree centigrade above ambient temperature during operation CRI > 70 % Lighting quality Free from glare, flickering and UV Wattage Power consumption of the LED Luminaire / lighting unit 30W (including LED and Driver power loss) Ingress protection IP65 or better, Provision on frame structure Frame structure have provision that the module can be oriented at the suitable tilt angle Conformity of the specification for Steel tube for street light pole as per IS:1161:2014 latest, Hot dip galvanized condition the zinc coating on the tubes as per IS:4736 latest, Nominal bore size of tube / Thickness of tube 75 mm / 3.2 mm Height of pole (in m) 6, Battery box Battery included in the luminaire enclosure, with water proof (IP65 or better) and corrosion resistant