The YVF2 series products offer a speed regulation range from 5 to 50 Hz for constant torque variable frequency operation and from 50 to 100 Hz for constant power variable frequency operation. Depending on the application, an independent fan cooling unit can be installed to ensure cooling effects at various speeds. Encoders are optional; with this option, the series is suitable for applications such as fans, pumps, hydraulic stations, plastic machinery, papermaking machinery, rubber machinery, and more.