BSI - BS EN 61643-21
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
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| Organization: | BSI |
| Publication Date: | 31 August 2001 |
| Status: | active |
| Page Count: | 74 |
| ICS Code (Switching and signalling systems): | 33.040.30 |
| ICS Code (Substations. Surge arresters): | 29.240.10 |
| ICS Code (Fuses and other overcurrent protection devices): | 29.120.50 |
Document History
August 15, 2023
Draft BS EN IEC 61643-21 Low voltage surge protective devices Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and testing methods
A description is not available for this item.
March 30, 2022
Draft BS EN 61643-21 Ed.2.0 Low voltage surge protective devices Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
A description is not available for this item.
BS EN 61643-21
August 31, 2001
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
A description is not available for this item.
August 31, 2001
Low Voltage Surge Protective Devices - Part 21: Surge Protective Devices Connected to Telecommunications and Signalling Networks - Performance Requirements and Testing Methods
A description is not available for this item.
August 31, 2001
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
A description is not available for this item.