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
频率范围为3 kHz至148.5 kHz和1.6 MHz至30 MHz的低压电气装置上的信号发送.第4-7部分:便携式低压去耦滤波器.安全要求;德文版EN 50065-4-7:2005