[RE-wrenches] APT Beaker

[Jay]

Hi all

I believe in the early days of Anada power technologies they were all QOU  with pull out fuse blocks ( class T). 

Back then it was 12 or 24v. 48v was really rare. 
And there were really big code fights over the QOU listing. Was it 48v actual or nominal?  To John Wiles it was actual, most everyone else nominal. Those " fights" seem comically simple compared to today. 

REV 2? 3?, ( maybe when it became APT) they upgraded to the 125vdc breakers for,the DC side and kept the QOU for,the AC side. 

I've still got one ( and still in use in my house system) and its set up for the airpax for DC, QOU on the AC side. Oh and it's got 2 x 250 amp main breakers instead of the class T

Jay

Peltz power






> On Jul 19, 2015, at 5:22 PM, Ray Walters <ray at solarray.com> wrote:
> 
> Possibly added after market, but I've seen quite a few APTs with QOUs used on the DC side.  I don't recall the exact mounting configuration.
> In the days of DC loads, I would see the Heine's on the charge controller in, and then the QOUs used as PV inputs and DC load circuits.
> I never sold the APTs; we built our own DC load centers until Outback and Midnite came along with saner pricing and better charge controllers.
> R.Ray Walters
> CTO, Solarray, Inc
> Nabcep Certified PV Installer, 
> Licensed Master Electrician
> Solar Design Engineer
> 303 505-8760
>> On 7/19/2015 11:34 AM, Allan Si
> 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20150719/48bfaa03/attachment-0002.html>