990–5809D-001

Connect the Power Cables

  1. Connect the equipment earthing conductor/PE to the PE busbar.

    Top View of the Power Connection Area in the I/O Cabinet

  2. Connect the battery cables to the battery + and battery – terminals.
  3. Connect the output cables.
  4. Connect the input cables.
  5. Only applicable to dual mains systems: Connect the bypass cables.
  6. Only applicable to TNC systems:
    1. Open the narrow door in the right side.

      Front View of the I/O Cabinet

    2. Install the jumper busbar 880–5518 to create a connection between the PE busbar and the neutral busbar.

      Front View of the I/O Cabinet

  7. Only applicable to IT systems: Connect an external impedance between the ”E” terminal and the output earthing terminal.
    NOTE: For IT systems, the installation must include an earth-fault detection circuitry.

    Front View of the I/O Cabinet

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