Title Electricity metering (a.c.) – Tariff and load control – Part 21: Particular requirements for time switches
Acronym IEC 62054-21
Document Type Standard
Committee TC 13 - ELECTRICAL ENERGY MEASUREMENT AND CONTROL
Published Year 2017
Link https://webstore.iec.ch/publication/59878
Abstract

IEC 62054-21:2004+A1:2017 specifies particular requirements for the type test of newly manufactured indoor time switches with operation reserve that are used to control electrical loads, multi-tariff registers and maximum demand devices of electricity metering equipment. This publication is of high relevance for Smart Grid