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.
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。