Isn't there a another gotcha?
I recall a connection between with the Class A
emissions being coupled to the Heavy Industrial
Immunity standard.
My old company shipped with Class A emissions and
024 as the immunity. We based our decision on our
installed base prior to the EU having acceptable
EM performance.
From: <am...@westin-emission.no>
Reply-To: <am...@westin-emission.no>
To: <emc-p...@majordomo.ieee.org>
Subject: SV: ITE Class A vs B Emissions
Date: Tue, 5 Feb 2002 09:29:30 +0100
From chapter 4.1 in CISPR 22:1997: "Class B ITE is intended primarily for
use in the domestic environment and my include: - equipment with no fixed
place of use; for example, portable equipment powered by built-in
batteries; - telecommunication terminal equipment powered by a
telecommunication network; - personal computers and auxiliary connected
equipment"
From chapter 4.2 in CISPR 22:1997: "Class A ITE is a category of all other
ITE which satisfies the class A ITE limits but no the class B ITE limits.
Such equipment should not be restricted in its sale but the following
warning shall be included in the instructions for use:
WARNING - This is a class A product. In a domestic environment this product
may cause radio interference in which case the user may be required to take
adequate measures".
So, you have the possibility to go for Class A. But I also recall that may
test laboratories / notified body classifies class A as a heavy industrial
environment. Business/office environment are often classified as
residential, commercial and light industrial and therefore class B.
Amund
-----Opprinnelig melding-----
Fra: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]På vegne av
richwo...@tycoint.com
Sendt: 4. februar 2002 22:40
Til: emc-p...@majordomo.ieee.org
Emne: ITE Class A vs B Emissions
We currently design our products to comply with the Class B emissions
limits
of EN 55022, but I am getting a lot of pressure from engineering to allow
the limits to be raised to Class A. The equipment is intended for business
use only. I understand that Class A is legal in the EU for business
equipment, and our customers don't seem to understand or care if the
equipment is Class A or B.
So, the question is this - Are you successful in marketing your business
ITE
as Class A?
Richard Woods
Sensormatic Electronics
Tyco International
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