YZR、YZ系列冶金及起重用电动机适用于驱动各种型式的起重机械及其它类似设备，具有较大的过载能力和较高的机械强度。因此它特别适用于那些短时或断续运转、频繁起动、制动、有时过负荷及有显著振动与冲击的设备，如冶金和矿山等行业。    Processes ths ablilty of overload and mechanic strength . Specifically for use on all metallurgy and lifting machines or the similar equipment. It is suitable for driving the short time on duty or continuous on duty equipment that frequent starting, braking and significant vibration and impacting is existed .    功率范围：1.5 ～ 90 kW        电动机中心高：H112 ～ 280 mm