MultiPlus-II 48/5000/70 safe to apply 220VAC on the output side when turned off?

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reginald-gerard asked Mar 29, '20

MultiPlus-II 48/5000/70 safe to apply 220VAC on the output side when turned off?

Using this in a fixed caravan, shore line is only 4 Amps and my wife wants to use her Senseo Coffee machine (2,700W max.)

Issue is: when the MP-2 is turned off, there is no power in the caravan. Would have been a nice option to be able to switch to bypass the MP and supply the 4 Amps to the caravan when off.

So my actual question is: If I wire the MP after a whip switch that either supplies shore power to the MP or the Caravan directly, will the 220VAC that is then on the output side of the turned off MP-2 cause any problems?

btw. not a lot of options to choose from in the Topics list.

battery charging

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Answer 1 · 2020-03-29T16:42:16Z

Daniël Boekel (Victron Energy Staff) answered · Mar 29, 2020 at 04:42 PM

Hi @Reginald Gerard

Not safe!

Do -not- apply grid to the output of the inverter, this -will- damage it and it is not covered by warranty.

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Answer 2 · 2020-03-29T17:12:28Z

Matthias Lange - DE answered · Mar 29, 2020 at 05:12 PM

Do it like that and you'll be safe:

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Answer 3 · 2020-03-30T08:41:47Z

reginald-gerard answered · Mar 30, 2020 at 08:41 AM

m.Lange Thank you for that. I should have been able to come up with that, maybe getting old and set im my ways. Will apply that suggestion. Daniël, good to know, just wanted to be sure.

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Matthias Lange - DE ♦ commented · Mar 30, 2020 at 09:22 AM

I would recommend you to always switch L and N not only L.

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