Change ČSN EN 61643-21:2002/A1 1.2.2010 preview

ČSN EN 61643-21:2002/A1 (341392)

Ochrany před přepětím nízkého napětí - Část 21: Ochrany před přepětím zapojené v telekomunikačních a signalizačních sítích - Požadavky na funkci a zkušební metody.

Automatically translated name:

Lightning protection , low voltage - Part 21 : Overvoltage protection involved in telecommunications and signaling networks - Requirements for functionality and test methods.



STANDARD published on 1.2.2010


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The information about the standard:

Designation standards: ČSN EN 61643-21:2002/A1
Classification mark: 341392
Catalog number: 85108
Note: Change
Publication date standards: 1.2.2010
SKU: NS-160790
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

The category - similar standards:

Fuses and other overcurrent protection devices

This change (correction) applies to this standard:

ČSN EN 61643-21 (341392)

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

Standard published on 1.3.2002

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