
Jnn Pump VFD Solar Frequency Converter for Variable Speed Drive 7.5kw. Superior Energy Saving and Constant Pressure Control. Our VFD cuts 30 percent to 60 percent energy use versus power frequency operation, greatly reducing long term operating costs. Flexible Power Compatibility and Solar Support. Our VFD supports both AC and DC input, cannot be connected to both at the same time. It works with PV solar power directly, and can run independently. Precise Speed Control and Full Equipment Protection. This VFD delivers high accuracy stepless speed control to flexibly meet different flow and pressure needs. Easy Multi Pump Networking and Automation Integration. Our VFD enables simple seamless online networking for multiple pumps without complex wiring. Wide Universal Adaptability for Diverse Scenarios. This VFD fits all mainstream application needs including VFD inverter pump control 380V three phase inverter constant pressure water system.