gefran GTF Series Installation And Operation Manual page 24

Connection example 3-phase GTF 150A-250A (Master-Slave control on 3 lines) for one load 3-phase.
Figure 32
Connection example 2-phase GTF 25-120A (Master) with GTS (slave) for one load 3-phase.
Figure 33
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80960G_MHW_GTF_05-2019_ENG