辅助触头 meaning in Chinese

auxiliary contact

Mc accessories cna - xx : top and side mounting aux . contact blocks
辅助触头采双触头设计提高可靠度。
Test of rated conditional short - circuit current of auxiliary contact
辅助触头的额定限制短路电流试验
The auxiliary contact can be actuated correspondingly along with the main contact
辅助触头随主触头相应动作。
Can install auxiliary contact blocks , demolition , easy to install , easy to maintain contact inspection
可加装辅助触头块，上盖拆卸安装容易，便于触头检查维护。
The breaker can be attached with shunt tripping device , undervoltage tripping device , auxiliary contacts , alarm contacts and motor - operated drive
断路器可以加装分励脱扣器、欠压脱扣器，辅助触头，报警触头和电动操作机构。