UNE EN IEC 61643-21:2026
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and test methods (Endorsed by Asociación Española de Normalización in February of 2026.)
Dispositivos de protección contra sobretensiones transitorias de baja tensión. Parte 21: Dispositivos de protección contra sobretensiones transitorias conectados a redes de telecomunicaciones y señalización. Requisitos y métodos de ensayo. (Ratificada por la Asociación Española de Normalización en febrero de 2026.)
| Standard number: | UNE EN IEC 61643-21:2026 |
| Pages: | 94 |
| Released: | 2026-02-01 |
| Status: | Standard |
UNE EN IEC 61643-21:2026
This part of the IEC 61643 series is applicable to devices for surge protection against indirect and direct effects of lightning or other transient overvoltages. These devices are intended to be connected to telecommunications and signalling networks, and equipment rated up to 1 000 V RMS and 1 500 V DC. These telecommunications and signalling networks may also provide power on the same line, e.g Power over Ethernet (PoE). Performance and safety requirements, tests and ratings are specified in this standard. These devices contain at least one voltage-limiting component (clamping or switching) and are intended to limit surge voltages and divert surge currents.