芬兰瓦萨变频器nxs00455a2h1sssa1a2-下载亚博app
芬兰瓦萨变频器nxs00455a2h1sssa1a2
在控制电路中用的继电器大多数是电磁式继电器。电磁式继电器具有结构简单，价格低廉，使用维护方便，触点容量小（一般在sa以下），触点数量多且无主辅之分，无灭弧装置，体积小，动作迅速、准确，控制灵敏、可靠等特点，广泛地应用于低压控制系统中。常用的电磁式继电器有电流继电器、电压继电器、中间继电器以及各种小型通用继电器等
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