140CPU43412A++140CPU43412A 價格_廈門仲鑫達科技有限公司

品牌：施耐德	規格：140CPU43412A	材質：140CPU43412A
產地：法國

140CPU43412A
140CPU43412A
140CPU43412A

制動時，按下停機按鈕SB2，X401常開觸點斷開Y430線圈，使KM1失電釋放，而Y430的常閉觸點接通Y431線圈，制動用的接觸器KM2線圈通電，對調兩相電源的相序，電動機處於反接制動狀態。與此同時，Y430的常開觸點斷開Y432的線圈，KM3失電釋放，串入電阻R限制制動電流。當電動機轉速迅速下降至某值時，KS1常開觸點斷開，X402常開觸點斷開M100的線圈，M100的常開觸點斷開Y431線圈，KM2失電釋放，電動機很快停下來。過載時，熱繼電器FR常開觸點閉合，X403的兩對常閉觸點斷開Y430和M110的線圈，從而使KM1或KM2失電釋放，起到過載保護作用。

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