supply of brushless dc ( bldc ) motor ceiling fan, isi marked, sweep size: 1200 mm etc.brushless dc ( bldc ) motor ceiling fan, isi marked, sweep size: 1200 mm etc., brushless dc ( bldc ) motor ceiling fan, isi marked, sweep size: 1200 mm, minimum air delivery-210 cubic meter / min, total harmonic distortion- 8% [ max ] , rated voltage: 230 v, 50hz single phase ac, speed control with electronic regulator ( step type with minimum 5 running positions ) , blade thickness ( min ) : 1.1mm, blade material : aluminium, bearing : double ball bearings, down rod size ( without shackle ) : 300mm, shank & shackle thickness ( min ) : 2mm, canopy : 2 nos., colour standard: white, bee rating : 5 star ( as per bees amendment to schedule 8 for ceiling fans rev.2 dt. 08.08.2019 ) , rated power-28 watt [ max ] , warranty [ min ] 2 years. conforming to- ( i ) is:374 / 2019 ( ii ) is:302 ( part 2 / sec 80 ) - for safety requirement. ( iii ) is:14700 ( part 3 / sec2 ) for thd ( iv ) the firm has to submit type test report from government accredited test labs like nabl / cpri etc. along with the offer. ( v ) routine test certificates has to be submitted along with supply. ( vi ) acceptance test shall be carried out by => limited