Type A vs Type B RCBO for an EV Charger in Pakistan (Which One?)
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Quick answer: An EV charger produces smooth DC leakage current under fault, and that blinds the ordinary Type AC RCD fitted in most Pakistani boards — so a normal RCD is never acceptable. You need one of two things: a Type A RCBO/RCD, but only if your charger has built-in 6 mA DC fault detection (check the...