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
KS IEC 62054-21:2004
Electricity metering equipment (a.c.) - Tariff and load control - Part 21: Particular requirements for time switches.
Number of Pages:16
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Kes 3,308.00