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Commonly used oil pump motor control circuits for presses
Source: InternetPublisher:李商隐身 Keywords: Motor control circuit protection circuit pressure gauge pipeline Updated: 2021/12/08
This circuit does not have a fail- safe circuit . Automatic and manual control are possible via transfer switch SA
. In the figure, KP is the electric contact pressure gauge . When the pipeline pressure is lower than the lower limit, the 1-2 contacts are connected; when the pressure reaches the upper
limit, the lr3 contact is connected.
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