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B84142C1000S081 Datasheet(PDF) 9 Page - EPCOS |
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B84142C1000S081 Datasheet(HTML) 9 Page - EPCOS |
9 / 10 page 2−line filters B84142C*S081 for converters and power electronics Caution and warnings S Please note the advices in our data book “EMC Filters” (latest edition); attention should be paid to the chapter “General safety notes”. S 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. S Danger of electric shock. EMC filters contain components that store an electric charge. Dangerous voltages can continue to exist at the filter terminals for longer than five min- utes even after the power has been switched off. S The protective earth connections shall be the first to be made when the EMC filter is installed and the last to be disconnected. Depending on the magnitude of the leakage cur- rents, the particular specifications for making the protective−earth connection must be ob- served. S Impermissible overloading of the EMC filter, such as with circuits able to cause reso- nances, 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 hous- ing). S EMC filters must be protected in the application against impermissible exceeding of the rated currents by overcurrent protective. S In case of leakage currents > 3.5 mA you shall mount the PE conductor stationary with the required cross section before beginning of operation and save it against disconnect- ing. For leakage currents IL 4) < 10 mA the PE conductor must have a KU value 3) of 4.5; for leakage currents IL q 10 mA the PE conductor must have a KU value of 6. 3) 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. A value of KU = 4.5 with respect to interruptions is attained: − with a permanently connected protective earth circuit w 1.5 mm2 − with a protective earth circuit w 2.5 mm2 connected via shroud connectors (IEC 60309−2). KU = 6 with respect to interruptions is achieved for fixed−connection lines w 10 mm2 where the type of connection and line layout corre- spond to the requirements for PEN conductors as specified in relevant standards. 4) IL = leakage current let−go Please read and Cautions and warnings and Important notes at the end of this document. Page 9 of 10 B84142−A180__A1600−S81−51−7659 preliminary data |
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