supply of brushless dc (bldc) motor ceiling fan etcbrushless dc (bldc) motor ceiling fan etc,brushless dc (bldc) motor brushless dc (bldc) motor ceiling fan, isi marked, sweep si ze: 1200 mm, minimum air delivery-210 cubic meter/min, total harmonic distortion- 8% [max], rated v oltage: 230 v, 50hz, single phase ac, winding material- copper having purity of minimum 99.90 %, cla ss of insulation- class b or higher, blade thickness (min): 1.1mm, blade material : aluminium, bearing : double ball bearings, down rod size (without shackle) : 300mm, shank & shackle thickness (min) : 2m m, canopy : 2 nos., colour standard: white, bee rating : 5 star (as per ministry of power notification nu mber: s.o. 2210 (e) and s.o. 2211 (e) dated. 12th may 2022 or latest), rated power-28 watt [max], w arranty [min] 30 months. conforming to- (i) is:374/2019 with amendment no. 1/2022 or latest (ii)is:302 (part 2/sec 80) - for safety requirement (iii)is:14700 (part 3/sec2) for thd (iv) is 191:2007 with amend ment no. 2 or latest for copper purity. speed control with electronic regulator (step type with minimum 5 running positions) and regulators shall be provided with radio and television interference suppressin g devices as per clause 10.7 of amendment no. 1/2022 to is 374/2019 or latest.firm has to supply 5% of additional identical pcbs (as used in ceiling fans) along with the ceiling fans for post warranty repai rs. packing of pcbs should be free from moisture and damages. [ warranty period: 30 months after t he date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]