The YZP (112-400) Series Frequency-Conversion Speed-Regulated Three-Phase Asynchronous Motors for Hoisting and Metallurgical Use are mainly suitable for driving various types of hoisting machinery and other similar equipment. With a wide speed regulation range, high overload capacity, and strong mechanical strength, they are especially ideal for equipment with short or intermittent operation, frequent starts and stops, occasional overloads, and significant vibrations and impacts.