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Standard [WITHDRAWN]

DIN VDE 0641-21:2011-10

VDE 0641-21:2011-10

Electrical accessories - Circuit-breakers for overcurrent protection for household and similar installations - Part 21: Selective main circuit-breakers

German title
Elektrisches Installationsmaterial - Leitungsschutzschalter für Hausinstallationen und ähnliche Zwecke - Teil 21: Selektive Haupt-Leitungsschutzschalter
Publication date
2011-10
Original language
German
Pages
127

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Publication date
2011-10
Original language
German
Pages
127

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Overview

DIN VDE 0641-21 (VDE 0641-21) applies to selective air-break main circuit breakers (hereinafter called SMCBs), for operation at 50/60 Hz, having a rated voltage not exceeding 440 V (between the line conductors), a rated current not exceeding 125 A and rated short-circuit capacity not exceeding 50 000 A. Such SMCBs are intended for overcurrent protection of cables installed in buildings and for similar purposes. The responsible Committee is Subcommittee UK 541.2 "Kleine Selbstschalter" ("Miniature circuit-breakers") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE.

Replacement amendments

This document has been replaced by: DIN VDE 0641-21:2018-09; VDE 0641-21 .

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