electromagnetic release meaning in Chinese

电磁释放
电磁脱机装置

The electromagnetic releases for the breakers with a capacity of 250a and above abjustable
250a及以上的断路器，其电磁铁脱扣器是可调的。
The tripping device is basically divided into the instantaneous electromagnetic release and the time delay thermal release , which are used for protection of circuit from shortcircuit and overload respectively
断路器由瞬时动作的电磁脱扣器和延时动作的热脱扣器组成，分别用作线路的短路和过载保护。