Output filters
B84143V*R127
3-line sine-wave EMC output filters SineFormer
Cautions and warnings
Please read all warning and safety notes carefully before installing the filter and putting it into op-
eration (see ). The same applies to the warning signs on the filter. Please ensure that the signs
are not removed nor their legibility impaired by external influences.
Death, serious bodily injury and substantial material damage to equipment may occur if the appro-
priate safety measures are not carried out or the warnings in the text are not observed.
Using according to the terms
The filters may be used only for their intended application within the specified values in low-
voltage networks in compliance with the instructions given in the data sheets and the data book.
The conditions at the place of application must comply with all specifications for the filter used.
Warning
It shall be ensured that only qualified persons (electricity specialists) are engaged on work such
as planning, assembly, installation, operation, repair and maintenance. They must be provided
with the corresponding documentation.
Danger of electric shock. Filters contain components that store an electric charge. Dangerous
voltages can continue to exist at the filter terminals for longer than five minutes even after the
power has been switched off.
The protective earth connections shall be the first to be made when the filter is installed and the
last to be disconnected. Depending on the magnitude of the leakage currents, the particular
specifications for making the protective earth connection must be observed.
Impermissible overloading of the filter or filter, such as with circuits able to cause resonances,
impermissible voltages at higher frequencies etc. can lead to bodily injury and death as well as
cause substantial material damages (e.g. destruction of the filter housing).
Filters must be protected in the application against impermissible exceeding of the rated cur-
rents by overcurrent protective devices.
In case of leakage currents >3.5 mA you shall mount the PE conductor stationary with the re-
quired cross section before beginning of operation and save it against disconnecting. For leak-
age currents IL ≤10 mA the PE conductor must have a KU value2) of 4.53); for leakage currents
1)
IL >10 mA the PE conductor must have a KU value of 64).
Output chokes and output filters must be protected in the application against impermissible ex-
ceeding of the component temperature.
The converter output frequency must be within the specified range to avoid resonances and un-
controlled warming of the output chokes and output filters.
Because the product can become very hot during operation, there is the risk of burns if
touched. The product can remain hot for some time after the power is switched off!
1) IL = leakage current let-go
2) The KU value (symbol KU) is a classification parameter of safety-referred failure types designed to ensure protection against hazardous
body currents and excessive heating.
3) A value of KU = 4.5 with respect to interruptions is attained with: a) permanently connected protective earth connection ≥1.5 mm2 and
b) a protective earth connection ≥2.5 mm2 via connectors for industrial equipment (IEC 60309ꢀ2)
4) KU = 6 with respect to interruptions is achieved for fixed-connection lines ≥10 mm2 where the type of connection and installation corre-
spond to the requirements for PEN conductors as specified in relevant standards.
Please read Cautions and warnings and
Important notes at the end of this document.
Page 8 of 13
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