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This paper presents the lessons learned and challenges of developing an integrated solution of high accuracy LowPower Instrument Transformer (LPIT) into a medium voltage (MV) recloser. The challenges from a design, testing and end user acceptance will be presented. The main conclusion of this paper is that integration of typically separate network components requires careful design choices and testing beyond existing industry standards for LPIT and MV reclosers in order to achieve higher accuracy classes.