IEC 61557-11:2020 : Title: 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 systems Pages: 29 Year: Publisher: International Electrotechnical Commission Availability: Within 1-2 working days
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