Hi Folks
Having taken a very brief look at the EN mentioned by Nick, the essential
differences appear to be the addition of Annexes ZA, ZB & ZC:
ZA - Testing of a series of transformers (i.e for a family of related
designs - which means that there is also probably something relevant
elsewhere in the actual text)
ZB - Cross reference list between IEC & EN/HD standards
ZC - Special national conditions for various countries, notably Finland,
Denmark, Sweden,France, UK. (based on then-existing national legislative
requirements in these countries)
Regards
John Allen
Technical Consultant
Electromagnetics, Safety and Reliability Group
ERA Technology Ltd
Cleeve Rd
Leatherhead
Surrey KT22 7SA
Tel: +44 (0) 1372-367025 (Direct)
+44 (0) 1372-367000 (Switchboard)
Fax: +44 (0) 1372-367102 (Fax)
-----Original Message-----
From: Nick Williams [mailto:[email protected]]
Sent: 04 November 2002 22:26
To: [email protected]
Cc: [email protected]
Subject: Re: EN60742
The BSI on-line catalogue at http://bsonline.techindex.co.uk says:
BS EN 60742:1996:
EN 60742:1995 Identical, IEC 60742:1993 Modified
so I would conclude that the EN is not identical to the IEC version.
Are you aware that 60742 is being replaced (by EN61558)?
Rgds
Nick.
At 14:41 -0500 4/11/02, [email protected] wrote:
>Is EN60742, Isolating Transformers, identical to IEC60742 or does it
contain
>deviations?
>
>
>Richard Woods
>Sensormatic Electronics
>Tyco International
>
>
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