The permanent magnet actuator, as the new operation system of vacuum circuit breakers, is the key to the transformation from mechanical actuation to electronic actuation.
永磁操动机构是新一代真空断路器的操作系统，是由机械操动向电子操动转变的关键。
The appendix published is the one to the 3rd edition, it is the newest standard with its contents stressed on the additional tests for circuit breakers with electronic over-current protection.
该附录经过3次修订，现刊出的为第三版中的附录，是最新标准。其内容着重带电子过电流保护断路器的附加试验要求。
The appendix published is the one to the 3rd edition, it is the newest standard with its contents stressed on the additional tests for circuit breakers with electronic over-current protection.
该附录经过3次修订，现刊出的为第三版中的附录，是最新标准。其内容着重带电子过电流保护断路器的附加试验要求。
应用推荐