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The three-phase motor adopts a commutation circuit that automatically stops by the travel switch.
Source: InternetPublisher:已注销 Updated: 2013/12/31
As shown in the figure, the limit switches SA1 and SA2 are used to control the forward and reverse rotation of automatic stop. When the motor drives the mechanical impact block to collide with SA1 or SA2, it is equivalent to pressing the stop button, causing the contactor KMF or The KMR loses power, causing the motor to stall.
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