BS EN 50065-4-6:2023

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz. Low voltage decoupling filters. Phase coupler | Status: Current

1 Scope This document applies to phase couplers in a mains communication system intended for utility networks or household and similar fixed installation including residential, commercial and light industrial buildings. Phase couplers are used to control the coupling of communication signals between phases or sections of a mains communication system. This document defines

• — the requirements to ensure a minimum coupling between the phases or sections of a mains communication system, and
• — the requirements to ensure no change on the safety of the electrical installation.