Samplex 450 msw inverter noise

I assure you that the wiring has nothing to do with it. The inverter just has a flawed noisy design. Like I said, I have same inverter that produces the same high pitched whine. Just spend a bit of money on a more expensive inverter. I know that sucks but your dealer could replace it a hundred times and nothing would change. Just get a better one honestly.

Roy b-the noise is a high pitched whine coming only from the inverter-and yes I realize (after the fact)-that this is a cheap unit- but it's not supposed to make this noise- the dealer will be looking at it next week to check on the wiring...

KOPY KAT - Would you clear up what kind of noise you are getting. Got everyone on here describing all sorts of noises they have associated with the inverters.

Is this a mechanical noise like a fan makes on your Inverter unit...

Is this a tone noise coming from your inverter like an alarm module would make...

Is this a radiated type noise you may be hearing coming from the speakers of your Entertainment Center sound system when they are being operated from the inverter power source. I was thinking radiated noise coming from your sound system speakers when I first read the comments.

Roy Ken

I have that same inverter, and yes it is noisy, so much so that i hardly ever use it. It doesn't help that the cooling fan is load controlled instead of temperature controlled. The result is that any load over about 7 watts causes it to come on. Its just a cheap inverter. However, Samlex makes great pure sinewave inverters, I have a samlex pure sinewave 300 watt, and it is worlds better. No sound at all, fan hardly ever comes on. Get one of those. It even comes with a cigar outlet adapter and battery clamps leads

Could be the inverter low voltage alarm if your batteries are down and/or your inverter wiring is insufficient (too small and/or too long). Most alarm off at 11 volts and shut down at 10.5 volts.

smkettner wrote:
GoPower or Morningstar 300w sinewave wired in with Xantrex Prowatt 15a transfer switch and remote power control.

X2

GoPower or Morningstar 300w sinewave wired in with Xantrex Prowatt 15a transfer switch and remote power control.

Yes. Get rid of that junk and buy pure sine wave inverter.