如何实现直流电机正反向规律切换
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一个小的控制箱就可以了，电动机正反转，原理很简单，一个断路器，两个接触器，一个热继电器，就可以实现正反转，这是我的邮箱，[email protected]用继电器或接触器 +时间继电器
这种设备好象没有成品供应，自己用时间继电器和接触器来做吧。
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