南京梅萊機電設備有限公司

西門子3TY74900X，低壓接觸器3TY系列主觸頭，*，南京梅萊機電！！

   低壓電器是一種能根據外界的信號和要求，手動或自動地接通、斷開電路，以實現對電路或非電對象的切換、控制、保護、檢測、變換和調節的元件或設備。低壓電器的發展，取決于國民經濟的發展和現代工業自動化發展的需要，以及新技術、新工藝、新材料研究與應用，目前正朝著高性能、高可靠性、小型化、數模化、模塊化、組合化和零部件通用化的方向發展。

西門子3TY74900X，低壓接觸器3TY系列主觸頭，*，南京梅萊機電！！

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