... 常闭触点normally closed contacts 常开触点normally open contacts 操作特性operating characteristics ...
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...接点称为开路接点，取arbeit contact (动作接点)之意，以其第一个字母a来表示，而a接点又称为 常开接点 ( Normally Open Contact )，简写为NO。由字面上的意思可知其初始或正常状态为一开路之接点，动作时接点闭合为导通状态。
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... normalizing furnace正火炉、常化炉 normally open contact动合触点、常开触点 nornal anisotropy厚向异性 ...
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The switches are available in several configurations, with 2 normally open contacts, or 1 normally open and 1 normally close contact.
开关可以有不同的结构，可以有两个断开接点也可以有1个断开接点和1个闭合接点。
FS remote contact module with remote contact base, can be selected according to the actual needs of the terminal 1-2 (normally open) or 1-3 (normally closed contact).
触点模块附带遥信触点功能底座，可根据实际需要选用端子1-2（常开触点）或1-3（常闭触点）连接。
Means need 25a contactor, main contact are three normally open, auxiliary contact is one normally open, control coil voltage is DC 110v, order volume is 20 sets.
表示为25a接触器的主触头为三对常开，辅助触头为一对常开，控制线圈的电压为直流110v，订货数量为20台。
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