Draft Document - Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148.5 kHz - Part 4-7: Portable low voltage decoupling filters - Safety requirements; German and English version prEN 50065-4-7:2021
文件草案.频率范围为3 kHz至148.5 kHz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;德语和英语版本prEN 50065-4-7:2021