supply of bldc ceiling fan 1200mm for 576 houses in rtc bhondsi distt. gurugram , ns , supplyof energy efficient bldc ceiling fan of 1200 mm sweep 5 star ratingw / o remote suitable for operation on ac 230 v, 50 hz with two years warranty as perfollowing specifications below:- , 1. blade sweep :1200mm ( 48 ) , 2. fan motor : bldc motor , 3. rated voltage:230volts , 50hz, single phase , 4. rated power input:32 / 35 watts , 5. no of baldes:three , 6. no. of running position:5 speeds , 7. class of motor insulation :class b , 8. air delivery :220m3 / minutes ( cmm ) or above , 9. colour :white , 10. tolerance on performance :reference is -374 only for test methods , 11.temp.rise : 400c max. , 12. insulation resistance :not less than two mega ohms tested with 500v dc. , 13. fan speed : 370 rpm ( ± 10 % ) , 14. speedregulation :min.50% ( approximately ) without remote , 15.service value: minimum 6.00 m3 / minutes / watt , 16. make : bajaj , crompton, usha, havells, orient, khaitan , 17. fan must be operational on modular fan speed regulator.