Quick-Connects - The good, the bad and the ugly [RE-wrenches]
Mark Frye
markf at berkeleysolar.com
Sun Sep 30 13:11:19 PDT 2007
I think one should be very careful about the "ratings" achieved under
the Photon test. What does it really matter what the contact resistance
is after 100 make/break cycles?
In the long run I think we will all be sorry to see the MC2 go.
MPF
Joel Davidson wrote:
>
> Jay, Thank you for your feedback. Anyone else want to ring in?
>
> At the Long Beach show, Multi-Contact was promoting their PV-KST4
> (female),
> PV-SBT4 (male) and PV-SSH4 lock clip.
>
> The September 2007 issue of Photon International has a detailed article
> about their module connector testing. Scores ranged from (1.4) very
> good, to
> (2.5) satisfactory, to (3.5) sufficient, to (6) poor. Tyco Solarlok
> (1394461
> and 1394462) scored (2.0) good. The old non-locking M/C (KST3 and KBT3)
> scored (2.5) satisfactory, the locking M/C scored (3.1) satisfactory and
>
> most Chinese connectors scored poorly.
>
> The good/bad news, depending on your politics and your purse, is that
> the
> Chinese PV manufacturers will get better. They are moving up the
> learning
> curve faster than the Japanese did and copying almost everything they
> photographed at the show. The bad news is connectors are another part
> that
> will fail in the field. Use the highest quality connectors and spend
> more
> time putting connectors on properly and inspecting their assembly and
> installation. Don't let the California incentive 10-year turnkey
> warranty
> bite you. I strongly recommend that someone other than the assembler or
> installer check all shop and field connectors and connections.
>
> Joel Davidson
>
> ----- Original Message -----
> From: "Jay Peltz, Peltz Power" <jay at asis.com>
> To: <RE-wrenches at topica.com>
> Sent: Saturday, September 29, 2007 9:11 PM
> Subject: Re: Quick-Connects - The good, the bad and the ugly
> [RE-wrenches]
>
>
> >
> > Hi Joel,
> >
> > I have used MC2, MC4, Tyco.
> >
> > I like the new Tyco: you can open the junction box and install new
> > leads
> > if needed. Also the metal connector seems very solid. Also will take
> > various wire insulation thickness.
> >
> > The MC4, has a very flimsy metal connector, I don't like it at all.
> > Only
> > pro is that it'll take various wire insulation thickness really
> > easily.
> >
> > The MC2, I know its not long for this world but sure liked this one.
> > Solid metal connector, flexible, small,
> >
> > jay
> >
> > peltz power
> >
> >
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>
Berkeley Solar Electric Systems
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