User Manual of EM730/EM730E Series Inverter f) Schematic Diagram of Terminals (380V, 132kW-160kW) Fig.3-2 Schematic Diagram of Main Circuit Terminal Layout 3.2.2 Functions of main circuit terminals The functions of the main circuit terminals of the EM730/EM730E series inverter are shown in the following table. Please connect wires correctly according to the corresponding functions.
Functions of main circuit terminals 30 Terminal label Function description R/L1, S/L2, T/L3 AC power input terminal, connected to three-phase AC power supply (the single-phase power input terminal can be connected with any two terminals) U, V, W AC output terminal of the inverter, connected to three-phase AC motor Positive and negative terminals of the internal DC bus, connected to external braking unit , PB Braking resistor terminal, with one end of the braking resistor connected to and the other end to PB P, DC reactor terminal, for the external DC reactor of EM730/EM730E-090-3 and above Grounding terminal, connected to earth