Break-brake operations have three kinds of break-brake electromagnet, over-current trip and manual button.
分闸操作有分闸电磁铁，过电流脱扣电磁铁及手动按钮操作三种。
2
The A302 Manual Starter is a 3-phase manual motor starter and protector with instantaneous magnetic short circuit trip mechanism.
A302手动起动器是三相手动电动机起动器和保护装置，带有瞬间磁性短路跳闸机制。
3
The temperature limiting device is of the manual reset, trip-free type and has been factory installed to interrupt all ungrounded power supply conductors in the event of thermostat failure.