REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04
REF542
plus
: Installation and Commissioning
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10.2
Electro Magnetic Compatibility
All relevant tests according to the standard IEC 60255, EN 61000 respectively to the
new product standard EN 50263
10.2.1
Emission test
Port
Frequency range Limits
Basic
standard
Test proce-
dure
Remarks
Enclosure
30 - 230 MHz
40 dB(µV/m) quasi peak,
measured at 10 m dis-
tance
EN 55022
EN 55022
See note 1
See note 2
230 - 1000 MHz
47 dB(µV/m) quasi peak,
measured at 10 m dis-
tance
Power Supply
0.15 - 0,50 MHz
79 dB(µV) quasi peak,
66 dB(µV) average
EN 55022
EN 55022
See note 1
0.5 - 5 MHz
73 dB(µV) quasi peak,
60 dB(µV) average
5 MHz - 30 MHz
73 dB(µV) quasi peak,
60 dB(µV) average
NOTE 1 The test procedure given in EN 55022 will be superseded by that given in EN 60255-25 when
it is published.
NOTE 2 May be measured at other distances. When this is done the test report should record the dis-
tance and the circumstances of the measurement. For test site measurements, an inverse proportionality
factor of 20 dB per decade should be used to normalise the measured data to the specified distance for
determining compliance.
