RDC-DD vs Type B RCD: A Selection Guide for DC Residual Current Protection in Mode 3 AC Charging Stations

During the design of Mode 3 AC charging stations, DC residual current protection is a critical factor in ensuring both compliance and operational safety. Choosing between a Type A + RDC-DD combination and an integrated Type B RCD directly impacts system cost, reliability, certification efficiency, and supply chain compatibility. This article provides engineers with a […]