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33.040.30 Přepojovací a signalizační systémy

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BS EN 50065-4-7:2005
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz and 1,6 MHz to 30 MHz Portable low voltage decoupling filters. Safety requirements

Vydáno: 2008-01-31

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PD 7004:1995
Essential requirements for terminal equipment intended for connection to digital interfaces of the PSTN using Digital Access Signalling System No.2 (DASS 2)

Vydáno: 1995-01-15

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BS EN 50065-4-6:2023 - TC
Tracked Changes. Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Low voltage decoupling filters. Phase coupler

Vydáno: 2023-04-25

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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

Vydáno: 2023-04-25

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BS EN 50065-7:2001
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148.5 kHz Equipment impedance

Vydáno: 2002-04-10

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BS IEC 61334-3-1:1998
Distribution automation using distribution line carrier systems. Mains signalling requirements Frequency bands and output levels

Vydáno: 2002-05-16

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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

Vydáno: 2011-06-30

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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

Vydáno: 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

Vydáno: 2023-04-11

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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

Vydáno: 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

Vydáno: 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

Vydáno: 2023-08-15

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