[PSES] SV: [PSES] Purchase Mains Input Filters

2020-01-21 Thread Amund Westin
Hi Tim Foo The current rating will typically be 3A. I am aware of the Schaffner filters. In this actual case I’m into now, we look especially for filters with very good DM (differential mode) suppression between 50-100kHz. Best regards Amund Fra: Wan Juang FOO (NP) Sendt: 22.

Re: [PSES] Purchase Mains Input Filters

2020-01-21 Thread Wan Juang FOO (NP)
Official (Closed) - Non Sensitive What are your current ratings? Can consider Schaffner FN9222SR-1-06 Mains Filter IEC Input Socket 250VAC 1A Tim Foo From: David Nyffenegger Sent: Wednesday, 22 January 2020 4:35 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Purchase Mains Input Filters

Re: [PSES] Cable question, or 'foiled' again

2020-01-21 Thread Bill Owsley
I agree.  Have found the assembly violated creepage and clearance requirements, and other construction, setup issues. On Tuesday, January 21, 2020, 01:49:46 PM EST, Richard Nute wrote:   Hi Steve:   I suspect that the test was set up incorrectly, especially since your client has

Re: [PSES] Purchase Mains Input Filters

2020-01-21 Thread David Nyffenegger
We use a lot of Corcom and Schaffner. -Dave On Tue, Jan 21, 2020 at 2:24 PM Amund Westin wrote: > Any advice where to go when purchasing mains AC input filters? (for > conducted emission purpose) > > > > BR > > Amund > > > > - >

[PSES] Purchase Mains Input Filters

2020-01-21 Thread Amund Westin
Any advice where to go when purchasing mains AC input filters? (for conducted emission purpose) BR Amund - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the

Re: [PSES] Cable question, or 'foiled' again

2020-01-21 Thread Richard Nute
Hi Steve: I suspect that the test was set up incorrectly, especially since your client has successfully passed the test in the past, and since UL predicted failure. I would ask to replicate the test, and examine the test set-up. Good luck, and best regards, Rich Ps: See you at

Re: [PSES] Cable question, or 'foiled' again

2020-01-21 Thread John Woodgate
Something is very odd. If the cable is rated for 300 V (DC), it shouldn't fail at 250 V AC (354 V peak).  Presumably those 'other cables' did pass the 250 V test. There seems to be some confusion, too, about the role of the connector shell. It is surely just an 'accessible conducting part', whi

[PSES] Cable question, or 'foiled' again

2020-01-21 Thread Steve Brody
Experts, I have always been one to tell others that to understand a requirement you need to read the standard, directive, etc. However in this case I am trying not to spend $505 for a PDF copy of UL 2238 which I may never use again. I have a client whose customer is requiring a specific cable