In message
<[email protected]>, dated
Thu, 22 Mar 2007, "Petrie, Craig D" <[email protected]> writes:
>We use 240V solid state relays in some of our products, certified to
>IEC60950-1 and UL508.
I don't see how a solid-state relay could be certified to IEC 60950-1.
It is not a component safety standard, with a few specific exceptions,
and solid-state relays don't seem to be one of those special cases.
>I have heard however that there is a new IEC standard being released
>for solid state relays and therefore we should request these relays to
>be certified against the new standard rather than IEC60950-1 in the
>future.
>
>Can anyone enlighten me with details of this new standard please? What
>is the standard number, when is it to be published, and when will
>relays certified against IEC60950-1 no longer be accepted by test
>houses?
From the public part of the IEC web site:
IEC 62314 Ed.1.0
Title: Solid-state relays
Publication date: 2006-05-11
TC: 94 - ALL-OR-NOTHING ELECTRICAL RELAYS
(search for other TC 94 publications)
Media type & price:
444KB CHF 155
38 pages CHF 141 + P&P
.
Abstract: States the characteristics of solid-state relays; the
requirements with respect to their operation and behaviour; their
dielectric properties; the degrees of protection provided by their
enclosures; the tests verifying that the requirements have been met, and
the test methods to be adopted.
--
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There are benefits from being irrational - just ask the square root of 2.
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK
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