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>BSI Standards >33 TELECOMMUNICATIONS. AUDIO AND VIDEO ENGINEERING>33.040 Telecommunication systems>33.040.30 Switching and signalling systems

33.040.30 Switching and signalling systems

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31 results
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21/30422299 DC
BS EN 50065-4-1. Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Part 4-1. Low voltage decoupling filters. Generic specification
Released: 2021-04-23
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BS EN 50065-4-3:2023 - TC
Tracked Changes. Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Low voltage decoupling filter. Incoming filter
Released: 2023-04-25
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BS EN 50065-4-5:2023 - TC
Tracked Changes. Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Low voltage decoupling filter. Segmentation filter
Released: 2023-04-25
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22/30439450 DC
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
Released: 2022-03-30
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BS EN 50065-1:2011
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz General requirements, frequency bands and electromagnetic disturbances
Released: 2011-06-30
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BS EN 50065-2-1:2003
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Immunity requirements for mains communications equipment and systems operating in the range of frequencies 95 kHz to 148,5 kHz and intended for use in residential, commercial and light industrial environments
Released: 2006-03-16
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BS EN 50065-4-4:2023 - TC
Tracked Changes. Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Low voltage decoupling filter. Impedance filter
Released: 2023-04-21
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BS EN 50065-4-1:2023 - TC
Tracked Changes. Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Low voltage decoupling filters - Generic specification
Released: 2023-04-25
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481.60 EUR
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BS EN 50065-4-5:2023
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Low voltage decoupling filter. Segmentation filter
Released: 2023-04-11
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159.04 EUR
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BS EN 50065-4-4:2023
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Low voltage decoupling filter. Impedance filter
Released: 2023-04-11
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23/30478750 DC
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
Released: 2023-08-15
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25/30509663 DC
BS EN 50065-1 Signalling on low-voltage electrical installations in the frequency range 3 kHz to 526,5 kHz Part 1: General requirements, frequency bands and electromagnetic disturbances
Released: 2025-01-24
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31 results
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