The soundercircuit is used to adjust oil-minimum breakers, so that the working efficiency can be raised and the labour intensity can be reduce.
设计一个少油断路器调整用音响信号电路,以便提高调整工作的效率,并减轻劳动强度。
2
When the hammer safety leaves the safety hammer holder, the switch button ejects, and the circuit is connected, so the sounder issues an alarming signal.