[RE-wrenches] Amphenol Connectors

[Lloyd Hoffstatter]

Per the MC4 catalog, they don’t accept liability for any others…

Best regards,
Lloyd Hoffstatter
Sunstruck Consulting
l

Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10

From: Glenn Burt<mailto:glenn.burt at glbcc.com>
Sent: Sunday, August 25, 2019 8:40 PM
To: 'RE-wrenches'<mailto:re-wrenches at lists.re-wrenches.org>
Subject: Re: [RE-wrenches] Amphenol Connectors

I see that Canadian  Solar has some official looking report from Chinese CSA stating that the Amphenol connectors they use are tested as interchangeable with MC-4… Haven’t been able to figure out what the piece of paper means, how the testing was done, or how they certified it…

From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org> On Behalf Of Jim Duncan
Sent: Sunday, August 25, 2019 7:10 PM
To: re-wrenches at lists.re-wrenches.org
Subject: Re: [RE-wrenches] Amphenol Connectors

Several years ago I disassembled an Amphenol and a MC4 connectors to find for myself what the difference was. It came down to the cross section of the O-ring. One brand was smaller than the other. Also the female component that the O-ring fit into was correspondingly different.
So in one assembly the fit was too tight but both mismatched pieces would go together with extra effort while the other the o-ring did not fit tight enough and would snap together with normal pressure. It's been a number of years since I did this but I doubt that either manufacturer would alter anything that would make new connectors not compatible with older ones.
I also recall that MC was on a tear for years, especially at trade shows, confronting any unauthorized competitor connector maker that implied that theirs were compatible with MC products.

Jim Duncan retired...

Solar Acres Farm

817.917.0527

solarguy2004 at gmail.com<mailto:solarguy2004 at gmail.com>
On 8/25/2019 5:21 PM, Mark Frye wrote:
Speaking of Tesla...

What with Walmart and (Amazon?) suing them for PV fires...

Can anyone here give a brief run down on the whole Amphenol UTX (?) defective or cross-mated connector story?

Thanks,

Mark Frye


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