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prEN 50065-4-4

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Part 4-4: Low voltage decoupling filter - Impedance filter

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prEN 50065-4-4
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Põhitekst
01.06.2003
Põhitekst
This standard applies to impedance filters in a mains communication system intended for utility networks or household and similar fixed installation including residential, commercial and light industrial buildings. These filters are used to set a suitable impedance, in the nominal frequency range of the mains signalling system, at any point of the low voltage mains network where a low impedance equipment is connected, in order to allow reliable operation of mains signalling system. Impedance filters can be used either in utility or consumer networks. They may also be used in conjunction with incoming filters and segmentation filters.
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