question

Kevin Windrem avatar image
Kevin Windrem asked

Maximum AC input voltage without damage

Scenario 1: You have an RV with 120/240 split phase shore power. You plug into a 120/240 volt receptacle but the neutral is floating. So what you get between each leg and neutral could be anywhere between 0 and 240 volts.

Scenario 2: You have an RV with 120 volt single phase shore power. Because of a misfire, what you end up with is 240 volts between neutral and hot.

I'd expect the Multi to reject the AC input but will damage to the unit occur?

MultiPlus Quattro Inverter ChargerGenerator
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1 Answer
Matthias Lange - DE avatar image
Matthias Lange - DE answered ·

The datasheet shows a AC input voltage range of 95-140V. So everything above 140V will be rejected but at some point it will damage the Multi. I don't know at which point but I know a 230V unit gets killed by 400V (voltage between two legs in a european 3 phase system).

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