2 inverters to a 3 position switch?
I'm planning on being able to plug my trailers 30a power cord into either shore power or generator or inverter. We'll use a 300w invertor most of the time but for brief use of microwave, coffee maker,...
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A good 2K PSW inverter will draw around 1 amp at idle (unless equipped with an idle circuit to minimize draw). A 300W inverter will consume about 500 milliamps at idle. The difference is so small that you won't notice the difference in draw. Having one inverter obviates the use of switches, transfer switches, and any additional wiring which can also fail.
