normally open contact

基本解釋

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).
觸點(diǎn)模塊附帶遙信觸點(diǎn)功能底座，可根據(jù)實(shí)際需要選用端子1-2（常開(kāi)觸點(diǎn)）或1-3（常閉觸點(diǎn)）連接。
KTS 011:Thermostat(normally open), contact maker for regulating of filter fans and heat exchangers or for switching signal devised when temperature limit hasbeen exceed.
溫控器（常開(kāi)），當(dāng)溫度超出設(shè)定值時(shí)開(kāi)關(guān)裝置可以啟動(dòng)風(fēng)機(jī)或信號(hào)裝置。
The contact point is in a normally open state, namely, while the disc is closed, the contact point of the electric control device is closed, and in a power-on state, it sends out electric signals.
觸點(diǎn)處于常開(kāi)狀態(tài)，即閥瓣關(guān)閉時(shí)，電控裝置觸點(diǎn)閉合，在通電狀態(tài)下給出電信號(hào)。