ac three phase ac electric electrical magnetic brake motorsYseries three-phase asynchronous motor is high-efficiency,energy-saving,well-performanced,lightly-vibrated,low-noised,long-service and universally-used,highly-reliable,easily-maintenanced and well-starting torque,the installation size and power level are in full compliance with the IEC standards.Circumstance For Use:The altitude is no more than 1000 meters above sea level.The ambient temperature changes with the season an the range of -15°C to 40°C.?Applications:general places and machines without special requirements,including metal-cutting machines,pumps,?fans,conveyances,mixing machines,agricultural and food machines. http://www.hongdajidian.vip.seo...trical-magnetic-bra.html