Series fusing for string installations [RE-wrenches]

[Bob-O Schultze, Electron Connection]

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Marco, William and all,
Another option would be to use a small rack mounted fused combiner box 
like Energy Outfitters sells in conjunction with a regular H361 at the 
inverter or an inverter such as the Fronius or Xantrex which has the DC 
disco onboard. That way you've got just one set of conductors coming 
down from the roof. Once the big switch is open, the HV touch-safe fuse 
holders can be opened safely.
Bob-O
>
> Why not use the nifty Combi-Switch which has four Littelfuse high 
> voltage
> fuse holders integrated into a CTL listed HU361RB disco and enclosure?
>
> marco
>
> Friends:
>
> Now that it is more common to use higher rated battery-less grid-tie
> inverters, string fusing is now more of an issue.  For example, the 
> SB6000
> will require string fusing with a typical three string installation.
>
> I would like to use a combiner for this series fusing as well as for
> disconnecting means.  This means a combiner will need 600 V rating on 
> all
> parts, rating for disconnection under load and a dead front.  Anyone 
> know
> of such a product?
>
> Williaim Miller
>
>
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