Multi-Contact parallel connectors [RE-wrenches]

[Ray Walters]

>I have a sample from Multi-Contact of their "branch plugs and sockets" for
>parallel connections of modules but there is no UL listing on them. I am
>hesitant to use a non listed product and was curious what others are doing
>to get around this problem. Do you only bring down conductors off series
>connected panels? Is there another product out there that has a listing for
>parallel connections? Thanks in advance.
>
>
>Ryan
 
Hi Ryan;

We just installed a 3600 watt array using the the BP2150 modules with MC
connectors. While the connector didn't have any markings , the package from
BP had a UL sticker on it. Max current = 15 amps on both the series and
parallel connectors. We wired 4 modules in parallel/series for 48 vdc nom.
& 9.75 Asc.. This would satisfy NEC, since the module is also rated for
series fusing at 15 amps. I guess you should save the package for that
picky inspector?

I didn't like the MC connectors for tidyness. We split 1" pvc conduit in
half to make wire covers. BP should make some sort of snap on cover to tuck
the wires against the module frame like a wiring tray. KO holes in the side
of the frame to run the wires straight thru module to module would be sweet
to. Also the rack companies are having some trouble designing frames for
these big modules, I may go back to making my own. Otherwise I think bigger
is better.

Ray

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