Retrofitting the Surge Arrester Type II


Qualified person

The inverter is equipped ex works with surge arresters or it can be retrofitted Spare Parts and Accessories).

  1. DANGER

    Danger to life due to high voltages

    1. Disconnect the inverter from all voltage sources Disconnecting the Inverter from Voltage Sources).
    2. Wait 20 minutes before you remove the DC protective cover to allow residual voltages to discharge.
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  2. Release the screws on the DC protective cover using an Allen key (AF 3), lift the DC protective cover upwards from below and remove it.
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  4. Plug the new surge arresters into the designated slots until they lock into place with the locking tabs. The inspection window must be located on the right-hand side.
  5. Position the DC protective cover at the upper edge, flip down and tighten it (torque: 3.5 Nm).