Re: [TCML] using an AC breaker for DC

[David Dean <deano@xxxxxxxxxxxxxxxx>]

Hi

See:
http://www.nmsu.edu/~tdi/pdf-resources/cc68.pdf

You might be able to find suitable DC rated breakers at a RV supply.

On Tuesday 09 September 2008 12:09:14 pm Nick Andrews wrote:
> Okay, so this is marginally on topic, as it also applies to power cabinets
> for coils, etc.  The question is, can you safely use 125VAC-rated breakers
> on a DC circuit for 72VDC in a solar power application as a battery
> disconnect?  I told my brother that it was harder for a DC arc to
> extinguish, but that I thought they would be okay as a disconnect.  But I
> wanted the opinion of the power engineers here, so thanks for any input...
>
> Nick A
>
>
>
>
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