NF EN IEC 61557-1:2021
Current
Current
The latest, up-to-date edition.
Electrical safety in low voltage distribution networks at most equal to 1000 V ac and 1500 V dc - Devices for checking, measuring or monitoring protective measures - Part 1: general requirements
Available format(s)
Hardcopy
Language(s)
English - French
Published date
01-12-2021
Publisher
This part of IEC 61557 specifies the general requirements applicable to measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems with nominal voltages up to 1000 V AC and 1500 V DC.
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