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.
作业让位采用电动移机机构，5分钟完成整机移位，操作省时省力、安全可靠。
Homework way adopts electric switching mechanism, can complete the whole machine shift in 5 minutes, operating saves time, safe and reliable.
常见的执行机构是电动执行机构或气动执行机构，而且可以配置各种各样的功能和附件来实现各种阀门操作控制要求。
Actuators are most commonly either electric or pneumatic and can be equipped with a variety of functions and accessories for controlling valve operation.
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