supply of electric ceiling type fans, 900mm sweep , electric ceiling type fans, 900mm sweep, rated voltage: 230v,input voltage range (v): 145-285 v, frequency range: 50hz, ac, single phase, power consumption: 28w, rated speed: 460 rpm(+ or - 10%), air delivery: 170 cmm, power factor:>or - 0.95 service value: 6.1 cmm/w,thd< or =10% , leakage current: <1.5ma, earthing provision: yes (on shackle kit), speed control : compa tible with atomberg remote, no of blades: 3 (aluminum), bearing: deep groove double shielded ball bearing, class of copper insulati on for winding: class f, temperature rise in motor winding in degreec: < 65 degreec, winding: copper winding, insulation resistance: >2 mega ohm,as per is 374: warranty: 5-year including driver pcb.make:atom berg,havells, crompton or similar. [ warranty period: 60 months after the date of delivery ] ]