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<div class="moz-cite-prefix">Hi All;<br>
<br>
SOme of you contacted me off list for more info. <br>
I tried to send the spec sheet and contact info on the 3 pole
Class T disco, but got rejected because the file size was too big.<br>
Here's a link to bolt switch:
<a class="moz-txt-link-freetext" href="http://www.boltswitch.com/products.html">http://www.boltswitch.com/products.html</a><br>
CLick on Open switches, then pick bulletins 129, 130, and 130 A
those are the sizes most of us will be interested in.<br>
<pre class="moz-signature" cols="72">R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760</pre>
On 2/9/2014 2:26 PM, Ray Walters wrote:<br>
</div>
<blockquote cite="mid:52F7F272.1090908@solarray.com" type="cite">
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<div class="moz-cite-prefix">Here's the spec sheet on the 400 amp
, 3 pole model.<br>
<pre class="moz-signature" cols="72">R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760</pre>
On 2/8/2014 8:15 AM, Allan Sindelar wrote:<br>
</div>
<blockquote cite="mid:52F649FB.9010606@positiveenergysolar.com"
type="cite">
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<div class="moz-cite-prefix">Dick and William,<br>
Dick may be onto a solution worth investigating further.<br>
<br>
Boltswitch made the Class T pull-out disconnects used in the
early Ananda/APT Powercenters in the 1990s. By around 1997 or
so APT went to their model 4B, which used the Heinemann
GJ-type large breaker that has remained in use as an inverter
breaker to this day. There were two physical sizes of class T
fuses commonly used in our industry back then: the smaller was
offered in 110A and 200A sizes and the larger in 300A and 400A
ratings, although many other amp ratings were available from
fuse manufacturers. The pullout was a fine approach - very
well made, positive indication of closed or open, etc. The
300-400A Boltswitch units used in the larger APT Powercenters
used a two-pole disconnect in which the two active circuits
used two of three poles in the base Bakelite molding,
suggesting that the same molding had been originally developed
for three-phase AC. <br>
<br>
While I have not searched for it, it is likely that a
three-phase Boltswitch pull-out disconnect to fit 3 200A (or
175A to allow 2/0 cable) is available by order from a supply
house. It would likely be quite expensive, but not necessarily
more so than other solutions being suggested here. The other
unknown is whether a simple NEMA 1 enclosure is available to
fit it.<br>
<br>
Allan<br>
<br>
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<p class="MsoNormal"><b>Allan <span
class="SpellE">Sindelar</span></b><br>
<span style="font-size:10.0pt"><a
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href="mailto:Allan@positiveenergysolar.com"><u><span
style="color:#000099">Allan@positiveenergysolar.com</span></u></a></span><br>
<span style="font-size:10.0pt">NABCEP
Certified PV Installation Professional<br>
NABCEP Certified Technical Sales
Professional<br>
New Mexico EE98J Journeyman Electrician<br>
Founder, <b>Positive Energy, Inc.<o:p></o:p></b></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt">A Certified B <span
class="SpellE">Corporation<sup><span
style="font-size:7.5pt">TM</span></sup></span><br>
<st1:address w:st="on"><st1:street w:st="on">3209
Richards Lane</st1:street><br>
<st1:city w:st="on">Santa Fe</st1:city>, <st1:state
w:st="on">New Mexico</st1:state> <st1:postalcode
w:st="on">87507</st1:postalcode></st1:address><br>
<b>505 424-1112 office 780-2738 cell</b><br>
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On 2/8/2014 6:59 AM, Richard L Ratico wrote:<br>
</div>
<blockquote cite="mid:167614464@retriever.VALLEY.NET"
type="cite">
<pre wrap="">Ray,
Way back in 2002, you mentioned using Boltswitch products for battery string
fusing
immediately outside the battery box. Might one of these be a partial solution
for William?
Dick Ratico
Solarwind Electric
--- You wrote:
I'm working on something similar. I think the Flex 1000 is the only
reasonable choice that can handle more than 2 of the large format DC
breakers. Midnite has the more expensive MNBCB -1000 Battery Combiner
box, but there just isn't enough documentation to figure out what it
can and can't do.
R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760
On 2/7/2014 6:29 PM, <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:william@millersolar.com">william@millersolar.com</a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Friends:
I am reworking an installation with 3 Sunny Island inverters. The
battery leads have no disconnecting means or OCP. I have been looking
for sensible hardware to provide this and I have found some options.
I am interested in any input on these or ideas I have not discovered.
1.SMA BATFUSE. I am having trouble deciding which one is right for a
3 SI install.
a.The B.003 appears to have fuse positions for the positive and the
negative leads. I am fairly darn certain I don't want fuses in the
negative leads of a negative bonded system, and although this is my
first SI install, I am pretty sure this is negative bonded. Am I
missing something here?
b.The B.001 has only positions for two fuses as far as I can see from
the manual.
c.So it looks like neither will work for me. Does anyone have any
experience and/or wisdom here?
2.Midnite Solar E-panels:
a.The regular panel has DC and AC components. I want to control the
AC elsewhere so I could order three slave units. The Midnite unit
mounts right under the inverter but I would prefer to have the OCP
closer to the batteries.
3.Outback:
a.We could purchase an Outback FX1000 and install three breakers in it.
4.Breaker Size:
a.I have started to read the manual but I have yet to find out what
size breaker fuse is recommended. Have I just not found it yet?
b.Also, I have not found a specification for battery cable size. Am I
blind?
Thanks in advance. I really appreciate the help I receive here. I
try to give as well as receive.
William
</pre>
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