AS/NZS 3010:2017 Electrical Installations Generating Sets
Section 2: General requirements for the installation of generating sets – AS/NZS 3010:2017 Electrical Installations Generating Sets

AS/NZS 3010:2017 Electrical Installations Generating Sets 2.7.10: 2.7.10 Changeover switching in the generator neutral (Australia and New Zealand rules)

In Australia, switching the generator neutral at the changeover is not the recommended method for permanently connected sets; if done, the neutral switching must not disconnect the main switchboard MEN link connection. In New Zealand, no generator-neutral switching contact may be fitted for a permanently connected set feeding a board that holds a MEN link; where connection to such a board is impractical, the set may connect to a board without a MEN link using the IT-to-MEN conversion arrangement shown (neutral and earth bars labelled for generating set connections only, generator earth electrode, and a 100 mA RCD recommended for earth fault and earth potential rise protection).

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  • 6.2.14-6.2.16 6.2.14 to 6.2.16 Motor load transfer, neutral isolation and nonautomatic switches

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