12）(电磁脱扣器的)瞬时脱扣(Instantaneous tripping of the magnetic release) 13）辅助触头(Auxiliary contacts) 种类(A，B，C)和对数(Kind of contact elements (A, B, C) and number of auxiliary circuits)： ..
基于274个网页-相关网页
介绍了3TB40交流接触器辅助触头可靠性试验的方法和试验监测结果。
The paper introduces the method and monitoring result of reliability test research on auxiliary contact of 3TB40 AC contactor.
断路器可以加装分励脱扣器、压脱扣器，辅助触头，报警触头和电动操作机构。
The Breaker can be attached with shunt tripping device, undervoltage tripping device, auxiliary contacts, alarm contacts and motor-operated drive.
接触器还可方便地加装辅助触头组，和适当的热继电器组合，保护可能发生过负载的电路之用。
Contactor can be easily retro-fitting auxiliary contact group, and appropriate combination of thermal relay to protect the load that may have been circuits.
应用推荐