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DIN VDE 0641-21 VDE 0641-21:2011-10

* German Language Version *

Electrical accessories – Circuit-breakers for overcurrent protection for household and similar installations

Part 21: Selective main circuit-breakers

Class/Status: Standard, valid
Released: 2011-10
VDE Art. No.: 0641024

Contents

DIN VDE 0641-21 (VDE 0641-21) applies to selective air-break main circuit-breakers (hereafter called line voltage circuit-breaker), for operation at 50 or 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 circuit-breakers are intended for overcurrent protection of cables installed in buildings and for similar purposes.

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