EN 50065-4-3:2023
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Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-3: Low voltage decoupling filter - Incoming filter
24-03-2023
This document applies to incoming filters used to control the coupling of signals between the utility area and the consumer area, as illustrated in Figure 1.This document defines:- the minimum impedance in the relevant frequency band(s) at both utility port and consumer port,- the minimum attenuation of unwanted signals transmitted from the utility side to the consumer side and vice versa.This document applies to incoming filters designed for single or multiphase installations.[Figure 1 - The application of incoming filter]
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