33.040.30: Switching and signalling systems
Search Results
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BS 01/200930 DC
prES 59013. Powerline telecommunications (PLT). Coexistence of access/in-house systems. PLT phase 1
standard by BSI Group, 04/11/2001.
Languages:
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BS 10/30184592 DC
BS EN 61643-311. Components for low-voltage surge protective devices. Part 311. Test circuits and methods for gas discharge tubes
standard by BSI Group, 01/20/2010.
Languages:
- MULTI-USER
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BS 10/30184598 DC
BS EN 61643-312. Components for low-voltage surge protective devices. Part 312. Preferred values and characteristics for gas discharge tubes
standard by BSI Group, 01/20/2010.
Languages:
- MULTI-USER
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BS 10/30184605 DC
BS EN 61643-313. Components for low-voltage surge protective devices. Part 313. Selection and applications principles for gas discharge tubes
standard by BSI Group, 01/20/2010.
Languages:
- MULTI-USER
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BS 10/30235496 DC
BS EN 50065-1. Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz. Part 1. General requirements, frequency bands and electromagnetic disturbances
standard by BSI Group, 09/24/2010.
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MOST RECENT
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MOST RECENT
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MOST RECENT
BS 1050:1984
Specification for indicator lamps for use in telecommunication apparatus and for allied purposes
standard by BSI Group, 11/30/1984.
Languages: English
- MULTI-USER
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MOST RECENT
BS 1598:1949
Ceramic materials for telecommunication and allied purposes.
standard by BSI Group, 12/08/1949.
Languages: English
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MOST RECENT
BS 469:1932
Specification for electric lamps for railway signalling
standard by BSI Group, 10/01/1937.
Languages: English
