常闭触点性质为电学的专用术语，解释为继电器在线圈没有得电时，闭合状态的触点是常闭触点。
具有常闭触点的固态开关研究_电气工程毕业论文_毕业论文天下网 关键词：常闭触点、固态继电器、开关 [gap=1280]Keywords：normally closed contact, solid state relays, switches
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... contact load 保证(额定)载荷 contact normally closed 常闭触点 contact pressure 触头压力 ...
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当利用这一配置测量漏流时，通过每个继电器的常闭触点同时向所有的二极管施加偏压。
When measuring the leakage current with this setup, the voltage bias is applied to all the diodes simultaneously through the normally closed contact of each relay.
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。
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).
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