Specifies the requirements for measuring equipment applied to testing the phase sequence in three-phase distribution systems.
KS IEC 61557-7: 2019
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.-Equipment for testing, measuring or monitoring of protective measures-Part 7:Phase sequence.
Number of Pages:28
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Kes 3,708.00