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2Y-2Y-2Y connection three-speed motor contactor control circuit
Source: InternetPublisher:李商隐身 Keywords: Control circuit motor contactor control BSP Updated: 2021/06/24
The circuit is shown in Figure 3-115. It uses a contactor and a double button, so when changing the speed, there is no need to press the stop button first
, and the speed can be changed directly. The SBi, SBz and SB3 buttons are high-speed, medium-speed and low-speed operation buttons respectively.
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