Why Is 6mA DC RCM Used In AC EV Charging Pile?

6 mA DC RCM is not a new term for electricians and electronic engineers that have experiences in the EV charging business. This article introduces why a 6 mA DC RCM is requested in a AC EV charging pile.

6 mA DC RCM (Residual Current Monitor) is nothing new for professional electricians installing EV charging piles in Europe. The device is widely integrated into EV charging piles to detect smooth DC residual current. However, some people may ask why a DC RCM is used in an AC EV charging pile rather than in a DC EV charging pile. In order to better answer this question of “WHY”, we turned the complex “Why” question into three specific “What” questions and their answers in this article.

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Shanghai, China

Shanghai Bituo Electric Co., Ltd.

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