Sunny Island [RE-wrenches]

[John Berdner]

Damian / Wrenches:
 
The existing SI4248U is UL 1741 compliant but it WILL NOT back feed the
grid.
This means it is not classified as a utility interactive inverter
(since there is no back feed current to be interactive).
 
The new SI5048U will be UL 1741 compliant and also WILL back feed the
grid.
The new 5048 is also 3 phase capable and can be stacked in parallel up
to 4 clusters (of three per cluster).
The 5048 should be available late in 1Q2007 depending on UL testing
schedule.
 
Hope this helps.
 
Best Regards,
 
John Berdner


>>> damian at thesolarcenter.com 11/1/2006 04:26:17 AM >>>

So you can cluster 4 in three phase (12 units) ? Also I thought the si

is not required to be complant with 1741 because it never backfeeds the

grid
-Damian de Caires (Damian at thesolarcenter.com 






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