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Standard Swedish standard · SS-EN 61643-21 A 1

Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

Status: Valid

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Standard Swedish standard · SS-EN 61643-21 A 1

Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
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Subjects

Power transmission and distribution networks (29.240) Substations, surge arresters (29.240.10)

Buy this standard

Standard Swedish standard · SS-EN 61643-21 A 1

Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
Subscribe on standards with our subscription service. When you use our service you can be assured the latest editions and easy access. Read more about SIS Subscriptions
Subscribe on standards - Read more Dölj
Price: 433 SEK
standard ikon pdf

PDF

Price: 433 SEK
standard ikon

Paper

Show more Show less

Product information

Language: English

Written by: SEK SVENSK ELSTANDARD

International title:

Article no: STD-3333950

Edition: 1

Approved: 10/26/2009

No of pages: 22

Amendment: SS-EN 61643-21