常闭型
...开型是指在不通电情况下,执行器控制的调节阀处于开启状态8、电热执行器分为常开型(Normally Open)和常闭型(normally closed)9、螺纹连接安装方式,拆卸方便,安装迅速10、断电自动复位功能,断电后阀门可关闭或打开(常闭或常开型)吕梁电热执行器检测证书技术...
常关的
nbs test method 国家标准局测试方法 nc = normally closed 常关的 ncepc = national committee on environmental planning and coordination 国家环境规划和协调委员会 ..
在常闭位置,电容器的一端被连接到电路lo。
Limit switch, directly actuated, spring returned, normally closed. Right-click for closed or held open.限制开关,直接启动,弹簧复位,正常情况下为闭合。右击接通或保持断开。
The normally closed contact of the Model 7169A serves to discharge the capacitor after it has been measured.在测量完成以后,7169A型的常闭接点使电容器放电。