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Appendix 3 Standards for Leakage Current and Current Measurements
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Point of measurement
Between the connection for a telecommunication network and the power line
(Nothing other than the measuring device is not connected to the connection for
a telecommunication network.)
Allowable value
0.25 mA (rms)
1
S1
PE
Power source
Measuring device specified in annex D
2
Equipment under test
S2
Insulating transformer
Connection for a
telecommunication
network
(not connected)
Test circuit for leakage current to a telecommunication network
(Single-phase equipment)
PE
S2
L1
L2
L3
Power source
Insulating transformer
Connection for a
telecommunication
network
(not connected)
Equipment under test
Measuring device specified in annex D
Test circuit for leakage current to a telecommunication network
(Three-phase equipment)
(2) Measurement of leakage current to a telecommunication network
(The others are the same as earth leakage current measurement.)
* Change the power source polarity (normal polarity / reverse polarity) and the connection for a
telecommunication network, and measure.
For details, refer to "Safety of information technology equipment (IEC 60950 (1991-10) + am4
(1996-07))."
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Страница 129: ...109 5 11 System Screen ME Equipment Example of a data unit printout Example of a details printout...
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Страница 334: ...314 10 6 External Dimensions 292 2 110 2 212 2 115 8 2 10 6 External Dimensions...
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