1.动合型（H型）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。
2.动断型（D型）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。
3.转换型（Z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。
MY2NJ AC100/110V BY OMZ MY2NJ AC110/120V BY OMZ MY2NJ AC12V BY OMZ MY2NJ AC200/220V BY OMZ MY2NJ AC220/240V BY OMZ MY2NJ AC24V BY OMZ MY2NJ AC6V BY OMZ MY2NJ DC100/110V BY OMZ MY2NJ DC12V BY OMZ MY2NJ DC24V BY OMZ MY2NJ DC48V BY OMZ MY2NJ DC6V BY OMZ MY2NJ-CR AC100/110V BY OMZ MY2NJ-CR AC110/120V BY OMZ MY2NJ-CR AC200/220V BY OMZ MY2NJ-CR AC220/240V BY OMZ MY2NJ-D2 DC100/110V BY OMZ MY2NJ-D2 DC12V BY OMZ MY2NJ-D2 DC24V BY OMZ MY2NJ-D2 DC48V BY OMZ
