1746-BAS A-B 控制电路

A-B 1756-OF8
A-B 1769-L30ER
A-B 1756-OF8
A-B 1756-OF8
A-B 1756-OF8
A-B 1756-IF8
A-B 1756-ENBT
A-B 1756-OF8
A-B 1756-RM
A-B 1756-L73
A-B 1756-ENBT
A-B 1756-OB32
A-B 1756-OB32
A-B 1756-OW16I

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Description

要使电动机停止运转,只要按下停止按钮SB1,将控制电路断开,接触器KM断电释放,KM的常开主触头将三相电源切断,电动机停止运转。当按钮SB1松开而恢复闭合时,接触器线圈已不能再依靠自锁触头通电了,因为原来闭合的触头早已随着接触器的断电而断开了。

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