CDLE6i series residual current protection circuit breaker has overload protection, short circuit protection, over/under voltage protection, open phase protection, phase sequence protection, zero line breaking protection, surge protection, automatic reclosing, and communication function, There are optional photovoltaic special module, lightning protection module, and infrared communication functions. It is mainly suitable for three-phase, four-wire neutral point direct ground (TT) systems on the load side of transformers.
