DIN EN 50065-4-2 VDE 0808-4-2:2002-03
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz
Low-voltage decoupling filters - Safety requirements
German version EN 50065-4-2:2001
Class/Status:
Standard,
withdrawn
Released: 2002-03
VDE Art. No.: 0808007