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組合式按鈕開關

組合開關的圖形、文字符號

發布日期：2022-04-17 點擊率：1365

組合開關在機床設備中用作引入開關，也可用來直接控制小容量三相異步非頻繁正、反轉。

組合開關由動觸頭、靜觸頭、方形轉軸、手柄、定位機構和外殼組成。它的動觸頭分別疊裝于數層絕緣座內。組合開關的圖形、文字符號如圖所示。當轉動手柄時，每層的動觸頭隨方形轉軸一起轉動，并使靜觸頭插入相應的動觸片中接通電路。hz15系列組合開關的額定電流為10 a、25 a、63 a等，額定電壓有ac 220 v、ac 380 v。

圖 組合開關的圖形、文字符號


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