Поиск

Amendment 1 - Electricity metering (AC) - Tariff and load control - Part 21: Particular requirements for time…

Electricity metering (a.c.) - Tariff and load control - Part 21: Particular requirements for time switches

Overview IEC 62054-21:2004 - Electricity metering (a.c.) - Tariff and load control - Part 21 - specifies particular requirements for the type test of newly manufactured indoor time switches with oper…