Breaker space in PS-2DC [RE-wrenches]

[Geoff Greenfield]

I have a customer with a PS-2DC with 2 inverters and 2 MX-60s... He would
like to expand his array (adding a 3rd MX-60).  The problem is we have only
3 breaker spaces left and I figure I need 3 for a second GFI and a fourth
for the DC disco to the MX-60.

The mx-60 could be current limited to 43 amps - what would you all say to
using the gfi on both sides (prob no good as I think the gfi is not a
current limiting device).  Maybe I could add a DC fuse inside to handle that
and just use the gfi as disconnect means.

Other work around would be a kluged add on box to hold a DC breaker (or
GFI).  Not clean, but do-able.

This is rural and not inspected but our policy is to work safely and to the
NEC (or to it's intent when we are the design review).

Any suggestions would be appreciated!

For a brighter energy future,

Geoff Greenfield
President
Third Sun Solar & Wind Power Ltd.
340 West State street, Unit 25
Athens, Ohio 45701
(740) 597-3111   fax: (740)597-1548
www.third-sun.com

Clean Energy - Expertly Installed


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