User Manual of EM730 Series Inverter （h） Schematic Diagram of Terminals ( EM730-280-3～EM730-450-3) 3.2.2 Functions of main circuit terminals The functions of the main circuit terminals of the EM730 series inverter are shown in the following table. Please connect wires correctly according to the corresponding functions.
Functions of main circuit terminals 33 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