Cover DIN EN 62054-21 VDE 0419-4-21:2017-10
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DIN EN 62054-21 VDE 0419-4-21:2017-10

* German Language Version *

Electricity metering (AC) – Tariff and load control

Part 21: Particular requirements for time switches

(IEC 62054-21:2004 + A1:2017); German version EN 62054-21:2004 + A1:2017
Class/Status: Standard, valid
Released: 2017-10
VDE Art. No.: 0400253

Contents

This standard specifies particular requirements for the type test of newly manufactured indoor time switches with operation reserve that are used to control elcetrical loads, multi-tariff registers and maximum demand devices of electricity metering equipment.