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  1. Power4ever

    UL1741: Test with GFDI option.

    Hi there! I've meet difficulties to provide to client a photovoltaic unit with GFDI option FULLY UL cetified. Just note that the PV inverter unit was certified before without GFDI option. And now here is coming troubles....The UL1741 section 53 has description Voltage Surge Test.Everything is ok...

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