IEC-61557-1 › Complete Document History
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 1: General requirements
Complete Current Edition: |
EDITION 3.0 - Part 1: General requirements - July 1, 2019
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Obsolete Revision Information: |
2ND EDITION - Part 1: General requirements - Jan. 1, 2007
1ST EDITION - EQUIPMENT FOR TESTING, MEASURI - Feb. 1, 1997 |