Re: 230 Vac or 240 Vac?

2001-02-03 Thread Nick Rouse
George You are right that the UK still generates electricity to give single phase supplies centred at 240V. This is despite changing its nominal to 230V to harmonise with the EU. It is allowed a variation of +10% and -6%. of the nominal 230V (216 - 253) but unlike true 230V countries it is

Scope of EN 61000-4-11

2001-02-03 Thread JENKINS, JEFF
I have ordered this standard, but I could use a little help while I wait for it to arrive. I have heard rumours that it applies only to single-phase equipment that draws 16A or less. Is this true? Thanks. Jeff Jenkins Advanced Energy Industries, Inc. Fort Collins, CO

Re: 230 Vac or 240 Vac?

2001-02-03 Thread Bill Lyons
In message 010001c08d30$b0f70820$38581...@memotec.com David Gelfand writes: I seem to remember that Australia was changing their nominal voltage from 240 to 230 V. Is this true? Are there other countries that have nominal voltages of 240 V? I want to determine the maximum voltage for

RE: UL standards for Automotive ESAs

2001-02-03 Thread John Juhasz
Chris, Welcome. Try this UL Standards link. You can search there. http://www.ul.com/info/standard.htm John Juhasz Fiber Options Bohemia, NY -Original Message- From: Chris Chileshe [mailto:chris.chile...@ultronics.co.uk] Sent: Friday, February 02, 2001 11:36 AM To: EMC-PSTC Subject:

RE: FCC for PCs

2001-02-03 Thread Gary McInturff
I think you might still be able to make a cost argument, but it gets much more difficult now for the reason you state, but still most folks are buying much cheaper systems for home usage. The other item to look at when making the case for class A is the applications that you are selling

EMI ruggedization of USB ports

2001-02-03 Thread Beard, Susan (TRANS, GEHH)
Can anyone point me to guidelines for ruggedizing USB interfaces for harsh EMI environments (100 V/m, IEC 1000-4-4 category 3, etc.)? Thanks, Susan H. Beard 321-435-7762 Fax 321-435-7957 susan.be...@gehh.ge.com --- This message is from the IEEE EMC

Re: LV Directive

2001-02-03 Thread Pryor McGinnis
Sorry about that. I forgot to identify the device. The device is a detector for leaking refrigerant in a commercial environment. - Original Message - From: Pryor McGinnis c...@prodigy.net To: emc-p...@majordomo.ieee.org Sent: Thursday, February 01, 2001 2:48 PM Subject: LV Directive