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<blockquote data-quote="binky" data-source="post: 458871" data-attributes="member: 490"><p>OK seems it can be used on and off grid. If no back-feed is allowed (highly unusual as you have a 'right' to back-feed 16A and if this exceeds some tolerance or other it's the DNOs responsibility and cost to upgrade your supply) you will need the export limitation device SMA also offer. I'm not sure if ths would count as an isolator (phone SMA technical helpline to check) in the event of grid failure - you must not backfeed the grid as this is a safety issue for DNO workers repairing the mains supply. With regards to ccts, you have options :- install mini CU for the ccts you wish to power - in the event of a grid fail you will need to isolate the other board, you may also be able to utilise the SMA home manager to power the devices you wish to maintain power too from battery. </p><p></p><p>I believe you can get auto-changover isoaltors for grid fail events - other members of the forum can give better advice on that.</p></blockquote><p></p>
[QUOTE="binky, post: 458871, member: 490"] OK seems it can be used on and off grid. If no back-feed is allowed (highly unusual as you have a 'right' to back-feed 16A and if this exceeds some tolerance or other it's the DNOs responsibility and cost to upgrade your supply) you will need the export limitation device SMA also offer. I'm not sure if ths would count as an isolator (phone SMA technical helpline to check) in the event of grid failure - you must not backfeed the grid as this is a safety issue for DNO workers repairing the mains supply. With regards to ccts, you have options :- install mini CU for the ccts you wish to power - in the event of a grid fail you will need to isolate the other board, you may also be able to utilise the SMA home manager to power the devices you wish to maintain power too from battery. I believe you can get auto-changover isoaltors for grid fail events - other members of the forum can give better advice on that. [/QUOTE]
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