DIN EN 50065-4-7:2006 頻率范圍為3kHz至148.5kHz和從1.6 MHz到30 MHz的低壓電氣設備的信號傳輸.第4-7部分:便攜式低壓去耦濾波器.安全要求.德文版本 EN 50065-4-7-2005
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz and from 1,6 MHz to 30 MHz - Part 4-7: Portable low voltage decoupling filters - Safety requirements; German version EN 50065-4-7:2005