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A06B-6078-H422#H520
A06B-6078-H422#H520继电器的触点有三种基本形式:
1.动合型(H型,国外:A型),常开触点,线圈不通电时两触点是断开的,通电后,两个触点就闭合,以合字的拼音字头“H”表示。见图(a)。
2.动断型(D型,国外:B型),常闭触点,线圈不通电时两触点是闭合的,通电后两个触点就断开,用断字的拼音字头“D”表示,见图(b)。
3.转换型(Z型,国外:C型)这是触点组型。这种触点组共有三个触点,即中间是动触点,上下各一个静触点。线圈不通电时,动触点和其中一个静触点断开和另一个闭合,线圈通电后,动触点就移动,使原来断开的成闭合,原来闭合的成断开状态,达到转换的目的。这样的触点组称为转换触点。用“转”字的拼音字头“z”表示。
A06B-6078-H422#H520
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