VF-FS1 series are frequency inverters for 3-phase asynchronous motors. They are dedicated to fan and pump for HVAC. They provide Space-Saving, Eco-Friendly, Noise-Less and Long-Life as standard. The VF-FS1 LonWorks® interface built-in option provides easy integration in a LonWorks network. It conforms to the LonMark® Functional Profile for Variable Speed Motor drives.