140HLI34000供應商140HLI34000供應商保護作用 能根據(jù)設備的特點，對設備、環(huán)境、以及人身實行自動保護，如電機的過熱保護、電網(wǎng)的短路保護、漏電保護等。
測量作用 利用儀表及與之相適應的電器，對設備，電網(wǎng)或其它非電參數(shù)進行測量，如電流、電壓、功率、轉(zhuǎn)速、溫度、濕度等。
調(diào)節(jié)作用 低壓電器可對一些電量和非電量進行調(diào)整，以滿足用戶的要求，如柴油機油門的調(diào)整、房間溫濕度的調(diào)節(jié)、照度的自動調(diào)節(jié)等。
指示作用 利用低壓電器的控制、保護等功能，檢測出設備運行狀況與電氣電路工作情況，如絕緣監(jiān)測、保護掉牌指示等。
轉(zhuǎn)換作用 在用電設備之間轉(zhuǎn)換或?qū)Φ蛪弘娖?、控制電路分時投入運行，以實現(xiàn)功能切換，如勵磁裝置手動與自動的轉(zhuǎn)換，供電的市電與自備電的切換等
電磁式接觸器的工作原理如下：線圈通電后，在鐵芯中產(chǎn)生磁通及電磁吸力。此電磁吸力克服彈簧反力使得銜鐵吸合，帶動觸點機構(gòu)動作，常閉觸點打開，常開觸點閉合，互鎖或接通線路。線圈失電或線圈兩端電壓顯著降低時，電磁吸力小于彈簧反力，使得銜鐵釋放，觸點機構(gòu)復位，斷開線路或解除互鎖。
Fu Zhou ZhuoKai Electric Co., Ltd.
公司簡稱：卓凱電子
公司地址：福州市臺江區(qū)金融街萬達廣場二期A2#寫字樓11層12室
公司聯(lián)絡人：李工(銷售工程師)
Tel：0591-62182520
Fax：0591-62032566
Phone：13696852881
商務QQ：1273632994
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