问题
单项选择题
继电接触器控制的电动机正、反转电路中，正、反转联锁（互锁）保护是如何实现的？（）
A.正、反转接触器的常闭辅触点串在对方接触器的线圈电路中
B.正、反转接触器的常开辅触点串在对方接触器的线圈电路中
C.正、反转接触器的常闭辅触点串在各自接触器的线圈电路中
D.正、反转接触器的常开辅触点串在各自接触器的线圈电路中
答案
参考答案：A
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继电接触器控制的电动机正、反转电路中，正、反转联锁（互锁）保护是如何实现的？（）
A.正、反转接触器的常闭辅触点串在对方接触器的线圈电路中
B.正、反转接触器的常开辅触点串在对方接触器的线圈电路中
C.正、反转接触器的常闭辅触点串在各自接触器的线圈电路中
D.正、反转接触器的常开辅触点串在各自接触器的线圈电路中
参考答案：A
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