The AC Mains test is just that AC Mains. The Definition of AC mains is
basically what comes out of the wall. Since the product is 24VAC it falls
under low voltage/signal lines. Test is as a signal line.

-----Original Message-----
From: Jennifer Banh [mailto:jb...@bb-elec.com]
Sent: Monday, December 17, 2001 11:44 AM
To: emc-p...@majordomo.ieee.org
Subject: surges on 24VAC



Hello everyone,
        I am currently trying to test a product of ours that falls under
50082-1
generic standard for light industrial equipment.  Our problem is that we
have a 24VAC power input port.  The generic standard calls out for EN
61000-4-5 on AC power input ports.  After looking at EN 61000-4-5 it seems
that it is intended for AC mains voltages, but I couldn't find anything that
says a 24VAC input is exempt from this test.  I am looking for outside
opinions on whether this test is truly applicable.

Thanks,
Jennifer Banh

BTW, we already tried just testing to the spec, and failed.  Any suggestions
on how to protect against this test would also be appreciated.



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