for capacitive
elements)
Ralph McDiarmid
Product Compliance
Engineering
Solar Business
Schneider Electric
From: Peter Tarver [mailto:ptar...@enphaseenergy.com]
Sent: Friday, December 08, 2017 5:23 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Pilot rating
Hi, Jon.
Switching a
ailto:ri...@ieee.org]
Sent: Friday, December 08, 2017 13:09
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Pilot rating
The ultimate issue is what safety issue occurs if the contactor fails to open
or close when it is supposed to? If there is no safety consequence, then the
contactor contro
The ultimate issue is what safety issue occurs if the contactor fails to open
or close when it is supposed to? If there is no safety consequence, then the
contactor control is functional, not a safeguard. If there is a safety
consequence, then the circuits controlling the contactor constitu
“Agreement is usually a compromise for both sides.”
Unfortunately, the process denigrates science and engineering (but saves face
for both sides, especially the certification house).
Still cynical Rich
-
This me
Gerry, I had the same impression.
John Shinn, PPASEL
Sent from my iPhone
> On Dec 7, 2017, at 1:31 PM, Ghery Pettit wrote:
>
> I looked at the subject line and thought about something completely unrelated
> – pilot ratings. I have a PP-ASEL IA. Private Pilot – Airplane, Single
> Engine, La
d this lab is always making sure their
reports can withstand the scrutiny of the OSHA auditor.
-Dave
From: Richard Nute [mailto:ri...@ieee.org]
Sent: Thursday, December 07, 2017 6:12 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG <mailto:EMC-PSTC@LISTSERV.IEEE.ORG>
Subject: Re: [PSES] Pilot rating
their
reports can withstand the scrutiny of the OSHA auditor.
-Dave
From: Richard Nute [mailto:ri...@ieee.org]
Sent: Thursday, December 07, 2017 6:12 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Pilot rating
According to
https://www.macromatic.com/blog/relays/what-are-pilot-duty-ratings
, for the hint of a web search.
From: John Woodgate [mailto:j...@woodjohn.uk]
Sent: Thursday, December 7, 2017 2:00 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Pilot rating
A web search for 'OPTOMOS pilot duty rating' produces useful information,
including references to
: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Pilot rating
I only pilot paper airplanes and this isn't my area of expertise, but it looks
like this potential requirement originates in NEMA ICS 5 "Industrial Control
and Systems: Control Circuit and Pilot Devices" and perhaps also in IEC 6
I only pilot paper airplanes and this isn't my area of expertise, but it
looks like this potential requirement originates in NEMA ICS 5 "Industrial
Control and Systems: Control Circuit and Pilot Devices" and perhaps also
in IEC 62314 (Solid State Relays - as a "control" relay though the word
'pilo
8
*To:* EMC-PSTC@LISTSERV.IEEE.ORG
*Subject:* Re: [PSES] Pilot rating
UL does not have a sense of humor that we are aware of.
TOB
-
This message is from the IEEE Product Safety Engineering Society
emc-pstc discussion list. To post a me
UL, AND every other certification body – especially if there is “money” in it L
From: Kunde, Brian [mailto:brian_ku...@lecotc.com]
Sent: 07 December 2017 21:48
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Pilot rating
UL does not have a sense of humor that we are aware of.
TOB
A web search for 'OPTOMOS pilot duty rating' produces useful
information, including references to UL508. But it seems that these are
contact ratings for switching inductive loads (other relay coils). Since
you have the double zener to absorb the inductive kick, you would only
need, it seems, th
UL does not have a sense of humor that we are aware of.
TOB
From: Jon Keeble [mailto:j...@wattwatchers.com.au]
Sent: Thursday, December 07, 2017 4:45 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Pilot rating
We are getting a somewhat innovative product through UL at the moment.
So
We are getting a somewhat innovative product through UL at the moment.
So there has been quite a lot of discussion and feedback from UL.
But when UL said they thought my little board needed a pilot rating I
really thought they were joking.
Jon Keeble
On Fri, Dec 8, 2017 at 8:31 AM, wrote:
> I l
I looked at the subject line and thought about something completely unrelated –
pilot ratings. I have a PP-ASEL IA. Private Pilot – Airplane, Single Engine,
Land Instrument Airplane. 😊 And you?
Ghery S. Pettit
From: Jon Keeble [mailto:j...@wattwatchers.com.au]
Sent: Thursday, Decemb
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