南京梅莱机电设备有限公司

西门子3TY74900X，低压接触器3TY系列主触头，*，南京梅莱机电！！

   低压电器是一种能根据外界的信号和要求，手动或自动地接通、断开电路，以实现对电路或非电对象的切换、控制、保护、检测、变换和调节的元件或设备。低压电器的发展，取决于国民经济的发展和现代工业自动化发展的需要，以及新技术、新工艺、新材料研究与应用，目前正朝着高性能、高可靠性、小型化、数模化、模块化、组合化和零部件通用化的方向发展。

西门子3TY74900X，低压接触器3TY系列主触头，*，南京梅莱机电！！

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