Can you come out of the line side tap to the
lugs, and connect the solar to the breaker
terminals? This way a retainer clip is not required.
At 11:12 AM 11/30/2016, you wrote:
Sorry I should have elaborated more from the beginning.
Â
I am using the panel as a service disconnect for
a lineside connection (canât use a
fused/bladed disco because of space
constraints). Originally I bought a QO 70A
panel, but soon realized that the Square D
retention clip (PK2MB) is only compatible with
their larger panels. So I bought a larger panel
(100A 8 Circuit) and then received some feedback
that having the open spaces (even if labeled
that âDo Not Add Loadsâ) could raise a flag
with an inspector. So then I was back on the
hunt for a dedicated 2 Pole 60A or 70A panel
with a compatible retention clip for a 30A
breaker. Eatonâs retention options only start
in the 60A range (the smaller breakers donât
have the hole in them to put the bolt through).
Square D said they donât have an option for
their 70A panel. There arenât any good Siemans
distributors near me but I wasnât finding an
option via google for them either.
Â
I talked with another Wrencher on the phone and
received this feedback which Iâm just going to
cut and paste to include it in this thread:
âThe NEC doesnât require a hold down clamp
for the circuit breaker unless it can be backfed
from a multi-mode or stand-alone inverter (690.10(E)).
The language implies that a hold-down is
therefore not required elsewhere. Most modern
breakers (def. QOâs) are not marked âlineâ
and âloadâ so no problem there (also in same code section).
Â
Even when it was a requirement for all PV
outputs, John Wiles had argued that taking off
the panel cover, which required a tool, served
as the hold-down, and this was generally accepted.â
Â
So taken that advice Iâm back to using the QO
70A panel but without a retention clip (or
calling the lid the "retention clip").
Â
For what its worth I have passed inspections
prior using the retaining clip from a generator
interlock kit (QOCGK2C) on a QO 100A panel, but
felt like there must be a better option out there....
Adam Katzman
Autonomous Energies
PO Box 1245
Kingston, NY 12402
<http://www.autonomousenergies.com>www.autonomousenergies.com
(518) 567-1468
On Wed, Nov 30, 2016 at 10:45 AM, Drake
<<mailto:drake.chamber...@redwoodalliance.org>drake.chamber...@redwoodalliance.org>
wrote:
Siemens has main breaker retainers. The
retainers for QO seem work on some boxes and not
others. It doesn't work on 6 space boxes I've
purchased, but does work on the 8.
At 10:14 PM 11/29/2016, you wrote:
Wrenchers,
Iâm trying to find a 60A 2 Pole Breaker Box
that hashas a compatible retaining clip. The QO
retaining clip (PK2MBCP) seems to only be
compatible with their 4-8 circuit load centers. What are my options? Thanks!
Thanks
Adam
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