33.040.30 : Switching and signalling systems

UNE-EN 60617-9:1997

UNE-EN 60617-9:1997

Withdrawn Most Recent

GRAPHICAL SYMBOLS FOR DIAGRAMS. PART 9: TELECOMMUNICATIONS. SWITCHING AND PERIPHERAL EQUIPMENT.

€71.00

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UNE-EN 50065-1:2002

UNE-EN 50065-1:2002

Superseded Historical

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.

€77.00

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DIN 44331:1976-05

DIN 44331:1976-05

Withdrawn Most Recent

Exchange technique - system technique; terms

€63.27

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DIN 44332:1976-05

DIN 44332:1976-05

Withdrawn Most Recent

Exchange technique and traffic handling theory; terms

€34.30

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UNE 21404-9:1995

UNE 21404-9:1995

Superseded Historical

GRAPHICAL SYMBOLS FOR DIAGRAMS. PART 9: TELECOMMUNICATIONS: SWITCHING AND PERIPHERAL EQUIPMENT.

€60.00

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UNE-EN 50065-4-1:2023

UNE-EN 50065-4-1:2023

Active Most Recent

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

€69.00

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UNE-EN 50065-4-3:2023

UNE-EN 50065-4-3:2023

Active Most Recent

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-3: Low voltage decoupling filter - Incoming filter

€53.00

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UNE-EN 50065-4-4:2023

UNE-EN 50065-4-4:2023

Active Most Recent

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-4: Low voltage decoupling filter - Impedance filter

€50.00

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UNE-EN 50065-4-5:2023

UNE-EN 50065-4-5:2023

Active Most Recent

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Part 4-5: Low voltage decoupling filter - Segmentation filter

€53.00

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UNE-EN 50065-4-6:2023

UNE-EN 50065-4-6:2023

Active Most Recent

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Part 4-6: Low voltage decoupling filters - Phase coupler

€54.00

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UNE 199051-2:2012/1M:2024

UNE 199051-2:2012/1M:2024

Active Most Recent

Road traffic management equipment. Variable message signs. Part 2: Communication protocol

€124.00

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UNE 199102-1:2018 IN

UNE 199102-1:2018 IN

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Road traffic management equipment. Maintenance. Recommendations for maintenance. Part 1. Recommendations for preventive maintenance of metallic structures

€62.00

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UNE-EN 50065-4-7:2006

UNE-EN 50065-4-7:2006

Active Most Recent

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

€102.00

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UNE-EN 50065-2-2:2004/A1:2006 CORR:2007

UNE-EN 50065-2-2:2004/A1:2006 CORR:2007

Active Most Recent

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz -- Part 2-2: 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 industrial environments

€0.00

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UNE-EN 50065-4-7:2006 CORR:2007

UNE-EN 50065-4-7:2006 CORR:2007

Active Most Recent

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

€0.00

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