Standard:
DIN EN 62054-21 VDE 0419-4-21:2017-10Electricity metering (AC) – Tariff and load control Part 21: Particular requirements for time switches |
Standard
withdrawn: DIN EN 62054-21 VDE 0419-4-21:2005-06Electricity metering (a.c.) - Tariff and load control Part 21: Particular requirements for time switches |
Standard
withdrawn: DIN EN 61038/A2 VDE 0419-1/A2:1999-05Electricity metering - Tariff and load control Particular requirements for time switches |
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