Na-ekwu banyere AC contactor, m kwere na ọtụtụ ndị enyi na n'ibu na eletriki ụlọ ọrụ maara nke ọma na ya, ọ bụ ụdị obere voltaji akara na ike drag na akpaka akara usoro, na-eji na-agafe ike, na-achịkwa nnukwu ugbu a. na obere ugbu a.Na-ekwukarị...
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