ABB ACS380-040N-04A0-4 Variable Frequency Drive | Industrial Motor Control Solution The ABB ACS380-040N-04A0-4 Variable Frequency Drive is an industrial motor control solution designed to support efficient and dependable operation across a wide range of automation applications. As part of ABB's ACS380 drive family, this product is associated with compact machine-building solutions that require reliable motor management, smooth operation, and practical integration into