2-line filters
B84114D
SIFI-D for high insertion loss
The table below summarizes the safety instructions that must be observed without fail. A detailed
description can be found in the relevant chapters of the databook.
Topic
Instructions
Reference chapter
(data book),
paragraph
Selecting a filter
When selecting a filter, it is mandatory to observe the Selection guide for
rated data of the equipment (such as its rated input
current, rated voltage, harmonic content etc.) as well
as the derating instructions in Chapters 9 and 10.
converter filters
Rated voltage
When power distribution systems deviating from the
Power distribution
symmetric TN-S system it is to check the suitability of systems,
the EMC filters and the allowed voltages including the
fault cases.
7
Protection from
residual voltages
Discharge resistors
Active parts must be discharged within 5 s to a Safety regulations,
voltage of less than 60 V (or 50 µ C). If this limit 6.1
cannot be observed due to the operating mode, the
hazardous point must be permanently marked in a
clearly visible way.
Filters which are not permanently connected (e.g.
when the test voltage is applied to the filter at the
incoming goods inspection) must be discharged after
the voltage has been switched off.
Safety regulations,
6.2
Installing and
removing of EMC
filters
When installing and removing our EMC filters, a Safety regulations,
voltage-free state must be set up and secured with 6.4
observance of the five safety rules described in
EN 50110-1.
Installation
Use in IT systems
The special features of the IT system ("first fault case" Power distribution
and other fault cases) shall be observed.
system (network
types), 7.6
Safety notes on
leakage currents
The filter leakage currents specified in the data book Leakage current,
are intended for user information only.The maximum 8.4
leakage current of the entire electrical equipment or Leakage current,
appliance has to be limited for safety reasons. Please 8.6
obtain the applicable limits for your application from
the relevant regulations, provisions and standards.
Voltage derating
If the permissible limits for the higher-frequency Voltage derating,
voltages at the filter are exceeded, the filter may be 9.8
damaged or destroyed.
Hazards caused by
overloading the filters
Current derating at
elevated ambient
temperatures
Non-observance of the current derating may lead to Current derating,
overheating and consequently represents
hazard.
a fire 10.1
Please read Cautions and warnings and
Important notes at the end of this document.
Page 7 of 10
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