闭锁继电器采用了一个电流脉冲进行激励,因此其热电漂移非常小。
Latching relays use a pulse of current to actuate them, so they have very low thermoelectric drift.
其它开关卡,例如7700型20通道差分复用模块,采用的是闭锁型继电器,无论是成对还是单独使用一个闸刀,偏移电压都是相同的。
Other CARDS, such as the Model 7700 20-channel Differential Multiplexer Module, use latching relays, and the offset voltage is the same whether the poles are used as a single pole or as a pair.
有SF 6气体密度继电器,并能事故报警,及闭锁操作机构。
It shall have SF6 gas density relay and emergency alarm as well as blocking operating mechanism.
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