[RE-wrenches] Dual battery bank switch for 48 VDC system

[Kirk Herander]

Eaton Double Throw 100 Amp Generator Transfer Switch DT223URK-NPS
rated @ 250 vdc, 100 amp, non-fusible

On Sat, Jun 15, 2024 at 1:19 PM greg egan via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Wrenches,  I have a customer who has a 2 strings of AGM's @ 48 VDC that
> we want to split so we can charge them at decent charge rate. Adding
> more PV and/or larger generator and inverter is cost prohibitive.  I've
> seen Blue Seas (#3002) 4 position 500 amp switches that are rated for
> 32VDC.  Max he could possibly pull at once with his system is less than
> 100 amps.
>
> I would assume the Blue Seas 3002 would work and I'd probably use it in
> my garage, but I'm not comfortable recommending it to a customer.  Any
> suggestions on a 60 VDC rated unit that could handle say 150 amps and
> 4/0 cables?
>
> Maybe I'm being too cautious since the max load would be < 6KW and the
> 3002 is rated for 16kW load (32 VDC /500A)?   Thoughts?
>
> Thank you,
>
> Greg Egan
> Remote Power Inc.
> Fairbanks, AK
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-- 

*Kirk Herander / **kirkh at vermont.solar <kirkh at vermont.solar>*

*Owner|Principal, VT Solar, LLC*

*Celebrating our 33st Anniversary 1991-2024!!*

dba Vermont Solar Engineering

802.559.1225
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