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Three-phase motor contactor button interlocking with inching commutation circuit
Source: InternetPublisher:张三叔 Updated: 2012/06/16
As shown in the figure, STF, STR, SB1, and SB2 all use composite buttons. The STF, STR forward and reverse buttons cooperate with the auxiliary contacts of the contactor to achieve interlocking. SB1 and SB2 are jog buttons.
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