Description
浮球1在下限位置,撞块2在行程开关SQ2附近,使行程开关SQ2受压,SQ2的一对常开触头接通,这就使控制电路中KM得电动作,主电路中KM三个常开主触头闭合,电动机M就起动运行。随着水泵的工作,水塔中水位逐渐上升,浮球上升又使撞块向下离开行程开关SQ2,
BRAND NEW SQUARE D I-LINE CIRCUIT BREAKER KA36150
BRAND NEW SQUARE D I-LINE CIRCUIT BREAKER KA36175
BRAND NEW SQUARE D I-LINE CIRCUIT BREAKER KA36225