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IC754VSF12CTD GE 常开触头

GE 369-HI-R-M-0-0-0-E
ICS TRIPLEX(ROCKWELL) T8451
ABB ACBU-A1
GE 369-HI-R-M-0-0-0-E
SCHNEIDER 140CPU67260
FOXBORO A4H254-8F8T
Schneider 140CPU67260
Seidel MV65WKS-CE310/22PB
ABB ACBU-A1
ABB SC560
Bently 3500/22M
TRICONEX 3625
MOTOROLA MVME162-213
TRICONEX 3008
ABB DSQC679 3HAC028357-001
GE IS220PTURH1B

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Description

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，行程开关一旦不受压就会复位，从而使SQ2常开触头断开，如果控制电路只受SQ2常开触头的控制，这时KM就会断开，使M停止，而这时水塔的水位还远没有达到上限水位

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