What reversible switch to put at the entrance of the house, voltage 380V?

Hello! 380 V, introductory automatic machine 25A, is installed in the house. To connect the generator I want to use the ABB switch. Single-phase generator 5 kW. What is the nominal value of the reversing switch?

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Posted: Updated: 09.10.2018 2 comments
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2 comments

  • Admin
    10/09/2018 at 09:47

    Hello! Strange, you want a reversing switch, but the input is three-phase, and the generator is single-phase, but oh well, choose a reversing current switch, either the same as the generator, or slightly larger. 5 kW is 22.7 amperes per phase. So a switch to 25 A will be enough, for example, ABB OT25F3C 25A.

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  • Admin
    10/09/2018 at 10:15

    In general, it would be better if you painted in more detail what you want to do.

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