IEC 62820-1-1:2026 ed2.0

Действует

Building intercom systems - Part 1-1: System requirements - General — 42 стр.

IEC 62820-1-1:2026 specifies the technical requirements for building intercom systems and equipment used for building entry.

ICS

13.320 Alarm and warning systems / Системы аварийной сигнализации и оповещения