Does anyone know anything the European Programmable Electronic Systems
Directive and where to obtain a copy of it?
Thanks,
Jim Gale
Wasson-ECE Instrumentation, Inc.
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Keith Armstrong
Partner, Cherry Clough Consultants, www.cherryclough.com
Cherry Clough House, Rochdale Road, Denshaw, OL3 5UE, Great Britain
phone: +44 (0)1457 871 605, fax: +44 (0)1457 820 145
E-mail:
Hi,
I don't have a copy of A1 of EN61000-4-3 at hand. Please help me.
(1) let me know when is the DOW of A1 for EN61000-4-3?
(2) confirm the difference of A1 and ENV50204.
A1: 800 - 960 MHz, and 1.4 - 2.0 GHz.
ENV50204: 900 MHz at 200Hz/50%.
Thank you.
Best Regards,
Barry Ma
I would like to thank all those who took the time to respond to my recent
query about a recently received item of US test equipment with the earth
and neutral connected within the unit.
The U.S company, without namng names is, one of the largest in the States.
Second hand information passed to
Hi,
does anyone have a SPICE model for an MOV?
Thanks,
Derek.
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Hi Richard:
When testing plastics, the flame is applied for a specified period of time,
removed for specified period of time and the process is repeated for a
specified number of cycles. Is the procedure attempting to correlate with
observed fire patterns in equipment, or is it
When testing plastics, the flame is applied for a specified period of time,
removed for specified period of time and the process is repeated for a
specified number of cycles. Is the procedure attempting to correlate with
observed fire patterns in equipment, or is it designed simply to provide
Group,
Is there a standard color coding for 120/208V 3 phase wiring inside a
product for U.S. use only? The product in question is ITE and I can find
nothing in UL 1950 about color coding other than green/yellow must be used
for ground. Thanks in advance for your help.
Kurt Andrews
.From: Lou Aiken ai...@gulftel.com
To: k3row k3...@eurobell.co.uk
Sent: Wednesday, October 11, 2000 2:54 PM
Subject: Re: Neutral/Earth connections
There should ne no connection between any current carrying conductor and
the
frame of the product; in the USA or anywhere else in my opinion.
I
Consider a product for the EU market that consists of a PCB, external I/O
cable and software and is intended to be installed as an add-in card in an
IBM compatible PC. The PCB is integrated into the PC at the customer site by
the manufacturer of the PCB. The brand and model of the PC may vary
If you are using UL, you will have a hard time getting out of 100%
production line hipot testing required per their Follow Up Services
Agreement. Apparently, this applies to 48Vdc supplied equipment as well as
120/240Vac supplied products.
Jack
-Original Message-
From: Chris Collin
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