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IEC-61557-7
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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 7: Phase sequence
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Complete Current Edition:
EDITION 3.1 - CONSOLIDATES AMENDMENT 1 - Aug. 1, 2023
FOR ED. 3.0 AMENDMENT 1 SEE - IEC-61557-7-AM1 - Aug. 1, 2023
Obsolete Revision Information:
EDITION 3.0 - Part 7: Phase sequence - July 1, 2019
2ND EDITION - Part 7: Phase sequence - Jan. 1, 2007
1ST EDITION - EQUIPMENT FOR TESTING, MEASURI - Feb. 1, 1997