1. This is an external rotor motor specially designed for ceiling fan. 2. The rated voltage can be 100-240V (50, 60, 50/60Hz). 3. Single speed, 2 speeds, 3 speeds and 4 speeds are all available. 4. The motor can be made of 2, 4 or 8 poles as needed. 5. The motor can be loaded with 3 or 4 blades as needed. 6. The standard shaft diameter (d) is 15mm. It can be others, with D-cuts, threads, etc., and the length (L) can be any as needed. 7. The stator stack height (H) can be any from 10mm to 30mm. 8. The bearing brackets can be made either by galvanized steel sheet (existing) or zinc-aluminum alloy die-cast (to be developed). 9. The rotor bearings are ball bearings to reach long lifetime. 10. The motor rotation can be either in CW or CCW direction as needed. 11. RoHS compliant is available. |