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NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

About DKE Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

Standards [CURRENT]

IEC 61643-21 Edition 1.1
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

Edition 2009-04

Original language English , French

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DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

IEC 61643-21 Edition 1.1 Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

IEC 61643-21 Edition 1.1
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods