Thank you.
On 2024-04-28 06:27, Boštjan Glavič wrote:
Hi John
After resistor you might have ES1 circuit and safety distances do not
apply. However resistor need to comply with special requirements of
Annex G.
See table 4 for ES1 limit for DC current. I think it is 2mA. You have
to simulate short accross resistor unles resistor comply with searate
requirements
Similar as limited current circuit in 60950-1.
I hope this helps.
Best regards
Bostjan Glavic
SIQ Ljubljana
Poslano iz Outlook za Android <https://aka.ms/AAb9ysg>
------------------------------------------------------------------------
*Od:* John Woodgate <j...@woodjohn.uk>
*Poslano:* sobota, april 27, 2024 4:18:41 PM
*Za:* EMC-PSTC@LISTSERV.IEEE.ORG <EMC-PSTC@LISTSERV.IEEE.ORG>
*Zadeva:* [PSES] IEC 62368-1: clearance and creepage
*CAUTION:*This email originated from outside of our organisation. Do
not click links or open attachments unless you recognise the sender
and know the content is safe.
It isn't clear to me whether the requirements of 5.4.2 and 5.4.3
(Edition 4) apply if the product remains safe with relevant clearances
and creepages short-circuited (one at a time). The specific case is at
a point fed by a 1 kV DC source behind two 4.7 megohm resistors in
series. Please advise.
--
OOO - Own Opinions Only
Best wishes
John Woodgate, Rayleigh, Essex UK
Keep trying
<http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient>
Virus-free.www.avg.com
<http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient>
------------------------------------------------------------------------
This message is from the IEEE Product Safety Engineering Society
emc-pstc discussion list. To post a message to the list, send your
e-mail to EMC-PSTC@LISTSERV.IEEE.ORG
All emc-pstc postings are archived and searchable on the web at:
https://www.mail-archive.com/emc-pstc@listserv.ieee.org/
Website: https://ewh.ieee.org/soc/pses/
Instructions: https://ewh.ieee.org/soc/pses/list.html (including how
to unsubscribe) <https://ewh.ieee.org/soc/pses/list.html>
List rules: https://ewh.ieee.org/soc/pses/listrules.html
For help, send mail to the list administrators:
Mike Sherman at: msherma...@comcast.net
Rick Linford at: linf...@ieee.org
For policy questions, send mail to:
Jim Bacher at: j.bac...@ieee.org
------------------------------------------------------------------------
To unsubscribe from the EMC-PSTC list, click the following link:
https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC&A=1
--
Signature OOO - Own Opinions Only
Best wishes
John Woodgate, Rayleigh, Essex UK
Keep trying
--
This email has been checked for viruses by AVG antivirus software.
www.avg.com
-
----------------------------------------------------------------
This message is from the IEEE Product Safety Engineering Society emc-pstc
discussion list. To post a message to the list, send your e-mail to
EMC-PSTC@LISTSERV.IEEE.ORG
All emc-pstc postings are archived and searchable on the web at:
https://www.mail-archive.com/emc-pstc@listserv.ieee.org/
Website: https://ewh.ieee.org/soc/pses/
Instructions: https://ewh.ieee.org/soc/pses/list.html (including how to
unsubscribe)
List rules: https://ewh.ieee.org/soc/pses/listrules.html
For help, send mail to the list administrators:
Mike Sherman at: msherma...@comcast.net
Rick Linford at: linf...@ieee.org
For policy questions, send mail to:
Jim Bacher: <j.bac...@ieee.org>
_________________________________________________
To unsubscribe from the EMC-PSTC list, click the following link:
https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC&A=1
