Operating instructions

Issue Date: 2003-09-25 Page 15 of 25 Report Reference # E203413-A17-CB-1
IEC 60950
SubClause Difference + Test Result - Remark Verdict
UL International Demko A/S
Sweden - Differences to IEC60950, Third Edition (1999)
1.5.1 Add the following:
NOTE: Switches containing mercury such as
thermostats, relays and level controllers are not
allowed.
N/A
1.7.2 If the separation between the mains and a SELV
terminal relies upon connection to safety earth, the
apparatus shall have a marking stating that it must
be connected to an earthed mains socket -outlet.
The marking text shall be in Swedish and as
follows:
"Apparaten skall anslutas till jordat uttag när den
ansluts till ett nätverk".
N/A
6.1.2.1 Note 1.
Add the following text between the first and second
paragraph:
If this insulation is solid, including insulation
forming part of a component, it shall at least consi
st
of either
- two layers of thin sheet material, each of which
shall pass the electric strength test below, or
- one layer having a distance through insulation of
at least 0.4 mm, which shall pass the electric
strength test below.
N/A
6.1.2.1 If this insulation forms part of a semiconductor
component e.g. an optocoupler, there is no
distance through insulation requirement for the
insulation consisting of an insulating compound
completely filling the casing, so that CLEARANCES
and CREEPAGE DISTANCES do not exist, if the
component passes the electric strength test in
accordance with the compliance clause below and
in addition:
- passes the tests and inspection criteria of 2.10.8
with an electric strength test of 1.5 kV multiplied by
1.6 (the electric strength test of 2.10.7 shall be
performed using 1.5 kV): and
- is subject to ROUTINE TESTING for electric
strength during manufacturing, using a test voltage
of 1.5 kV.
N/A
6.1.2.1 It is permitted to bridge this insulation with a
capacitor complying with EN 132400:1994,
subclass Y2.
N/A