【簡(jiǎn)單介紹】
SIEMENS西門子接觸器3RT1034-1BB41
出售家電業(yè)務(wù)正是西門子專注于電氣化、自動(dòng)化和數(shù)字化戰(zhàn)略的體現(xiàn)之一。[2接觸器分為交流接觸器（電壓AC）和直流接觸器（電壓DC），它應(yīng)用于電力、配電與用電。接觸器廣義上是指工業(yè)電中利用線圈流過(guò)電流產(chǎn)生磁場(chǎng)，使觸頭閉合，以達(dá)到控制負(fù)載的電器。
SIEMENS西門子接觸器3RT1034-1BB41不同型號(hào)的適用范圍：
1、3TF48系列交流接觸器主要用于交流50Hz（或60Hz）、額定工作電壓至660V，額定工作電流至 370A的電力系統(tǒng)中接通和分?jǐn)嚯娐罚⒖膳c適當(dāng)?shù)臒徇^(guò)載繼電器或電子式保護(hù)裝置組合成電磁起動(dòng)器，以保護(hù)可能發(fā)生過(guò)載的電路。 產(chǎn)品符合GB 14048.4和IEC 60947-4-1等標(biāo)準(zhǔn)。
2、3TF48-9～110交流接觸器（以下簡(jiǎn)稱接觸器）主要用于交流50Hz（或60Hz）、額定工作電壓zui高至660V、在AC-3使用類別下額定工作電壓為380V、額定工作電流至110A的電力系統(tǒng)中，供遠(yuǎn)距離接通和分?jǐn)嚯娐?，并可與適當(dāng)?shù)臒徇^(guò)載繼電器或電子式保護(hù)裝置組合成電磁起動(dòng)器，以保護(hù)操作（運(yùn)行）可能發(fā)生過(guò)載的電路。 符合標(biāo)準(zhǔn)：GB 14048.4、IEC 60947-4-1。
3、3TF48系列交流接觸器主要用于交流50Hz(或60Hz)、額定工作電壓至1000V，在AC-3使用類別下額定工作電壓為380V時(shí)額定工作電流至475A的電路中，供遠(yuǎn)距離接通和分?jǐn)嚯娐坊蝾l繁起動(dòng)和控制交流電動(dòng)機(jī)，并可與適當(dāng)?shù)臒徇^(guò)載繼電器組成電磁起動(dòng)器，以保護(hù)可能發(fā)生過(guò)載的電路。 產(chǎn)品符合GB14048.4和IEC60947-4-1等標(biāo)準(zhǔn)。
SIEMENS西門子接觸器3RT1034-1BB41利用主接點(diǎn)來(lái)開閉電路，
用輔助接點(diǎn)來(lái)導(dǎo)通控制回路。主接點(diǎn)一般是常開接點(diǎn)，而輔助接點(diǎn)常有兩對(duì)常開接點(diǎn)和常閉接點(diǎn)，小型的接觸器也經(jīng)常作為中間繼電器配合主電路使用。交流接觸器的接點(diǎn)，由銀鎢合金制成，具有良好的導(dǎo)電性和耐高溫?zé)g性。交流接觸器動(dòng)作的動(dòng)力源于交流通過(guò)帶鐵芯線圈產(chǎn)生的磁場(chǎng)，電磁鐵芯由兩個(gè)「山」字形的幼硅鋼片疊成，其中一個(gè)固定鐵芯，套有線圈，工作電壓可多種選擇。為了使磁力穩(wěn)定，鐵芯的吸合面加上短路環(huán)。交流接觸器在失電后，依靠彈簧復(fù)位。另一半是活動(dòng)鐵芯，構(gòu)造和固定鐵芯一樣，用以帶動(dòng)主接點(diǎn)和輔助接點(diǎn)的閉合斷開。20安培以上的接觸器加有滅弧罩，利用電路斷開時(shí)產(chǎn)生的電磁力，快速拉斷電弧，保護(hù)接點(diǎn)。接觸器具可高頻率操作，做為電源開啟與切斷控制時(shí)﹐zui高操作頻率可達(dá)每小時(shí)1200次。接觸器的使用壽命很高，機(jī)械壽命通常為數(shù)百萬(wàn)次至一千萬(wàn)次，電壽命一般則為數(shù)十萬(wàn)次至數(shù)百萬(wàn)次。
如下：
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