Product Information: Y-H, YD-H series marine single-phase and double-speed three-phase asynchronous motors are suitable for ships and other offshore facilities as three-phase asynchronous motors for driving pumps, ventilation machines, separators, hydraulic machines and other auxiliary equipment.The design standards are in accordance with JB/T 5273-2014 "Y-H Series Marine Three-phase Asynchronous Motors Technical Conditions (Block No. 80~355)" and JB/T 7127-2010 "YD Series Variable Pole Multi-Speed Three-phase Asynchronous Motors Technical Conditions (Block No. 80~280)".Passed CCS certification of China Classification Society.