supply of brush less dc motor (bldc) ceiling fan sweep 1200 mm , energy efficient brush less dc motor (bldc) ceiling fan sweep 1200 mm, bee rating 5 star, rated power 28 watts max imum, operating voltage 140 to 290 v single phase ac, frequency 48- 52 hz, air delivery 220m3 / min., harmonic distortion 5 % max, speed control regulator or/and ir remote. blade thickness 1.1 mm, blade material aluminum, bearing double ball bearings, down ro d size (without shackle) 300 mm, shank & shackle thickness 2mm (minimum), canopy 2 nos, color standard white, warranty 5 years, is specifications (a) is: 616/2010 for safety requirement for electronic equipment. (b) is: 374/2019 performance test for air delivery a s per cl. no 10.3 of specification. test report the firm has to submit type test report from government accredited test labs like nabl/ cpri etc. preferred makes: atomberg, bajaj, havells, orient, crompton [ warranty period: 60 months after the date of delivery ] ]