Re: Mean Well power supply question

Daniel Marcus

Hi Mike
missed part of this conversation, so I am assuming you have already done this but -just curious - have you tried a different GFCI circuit ( one that is using a different GFCI protector) or measured the leakage current to ground? GFCIs are notorious for going bad. Could be the GFCI is in the process of failing and is too sensitive?
Dan Marcus

From: <> on behalf of Mike Dodd <mike@...>
Sent: Friday, November 8, 2019 9:14 AM
To: <>
Subject: Re: [ap-gto] Mean Well power supply question
On 11/8/2019 1:43 AM, Don Anderson via Groups.Io wrote:
> Another good power supply that I have used for the past 8 years is an
> Alinco DM-330MV. It is made for the ham radio world.

I use one a DM-330MV for my ham station, and thought it would be good
for the AP1200 as well.

Sadly, that was not the case.

During the first imaging run with it, I found the mount and cameras dead
-- the GFCI had tripped. I reset the GFCI and tried again. An hour later
it tripped again.

The next night I connected the DM-330MV to a 20W resistor box, and ran
1A of current through it. The GFCI tripped sometime overnight. I tried
that test again the following day -- the GFCI tripped once again.

To be clear: the DM-330V was the ONLY thing being powered through the
GFCI receptacle that tripped.

I don't know why the power supply caused the GFCI to trip. Perhaps it
was the cold temperature or the humidity. The specs state an ambient
temperature of 50F to 95F.

The GFCI problem was the reason I bought the Mean Well supply. Now I
have a spare power supply for my ham station.


Mike Dodd
Louisa County, Virginia USA;data=02%7C01%7C%7C6d2d00054a0846af1da408d76455f51e%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637088192648994628&amp;sdata=1qwMYXbPInoJYiJLaH8Fn%2BlNi9CZNRtlLYwGqOJslHU%3D&amp;reserved=0

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