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Homepage>BS 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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30 results
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BS EN 61643-21:2001+A2:2013
Low voltage surge protective devices Surge protective devices connected to telecommunications and signalling networks. Performance requirements and testing methods
Released: 2013-05-31
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BS EN 50065-4-1:2023
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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BS EN 50065-4-3:2023
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Low voltage decoupling filter. Incoming filter
Released: 2023-04-11
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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 50065-1:2011
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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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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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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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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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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22/30437454 DC
BS IEC 62425. Railway applications. Communication; signalling and processing systems. Safety related electronic systems for signalling
Released: 2022-04-08
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BS EN 50065-2-3:2024 - TC
Tracked Changes. Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Immunity requirements for mains communicating equipment operating in the range of frequencies 3 kHz to 95 kHz and intended for use by electricity suppliers and distributors
Released: 2024-08-27
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30 results
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