[RE-wrenches] 30 amp disconnect/40 amp breaker

[Christopher Warfel]

Not going through the NEC, but it doesn't make sense to me to put in an 
OCPD greater than the rating of the switch.  I am sure you can find in 
the spec sheet what the maximum OCPD allowed is. Chris

On 8/21/2019 6:12 PM, Greg wrote:
> Fellow Wrenches,  I'm having a discussion with a utility engineer 
> regarding the following situation:
>
> Installing a 6kW inverter that has a full rated output of 25 amps.  
> 80% of 30 is 24.  That means to me I need to go up to a 40 amp 
> breaker.  I'm running #8 (continuous load 25 x 1.25 etc.)
> The engineer believes I should use a 60 amp disco since it's on a 40 
> amp breaker.  My thinking is I can use a 30 amp disco since it can not 
> produce more than 25 amps ever.
>
> Do any of you have a reference that shows what I'm doing is okay? Not 
> okay?
>
> Thanks again,
> Greg Egan
> Remote Power Inc.
>
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