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IEC 61557-11 Ed. 2.0 b:2020
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 11: Effectiveness of residual current monitors (RCM) in TT, TN and IT systemsstandard by International Electrotechnical Commission, 06/23/2020
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