DIN EN 50197-6 (1995-04)被替代
Measuring And Monitoring Equipment For Testing The Electrical Safety In Low Voltage Distribution Systems Up To Ac 1000 V And Dc 1500 V - Part 6: Measuring Equipment For Testing The Effectiveness Of Protective Measures In Tt And Tn Systems By Disconnection With Residual Current Protective Devices (rcd)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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