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Information × Registration Number 0223U004926, 0123U103876 , R & D reports Title Development of the national standard DSTU EN IEC 61557-7 (EN IEC 61557-7:2022, IDT; IEC 61557-7:2019, IDT) Electrical safety of low-voltage distribution systems up to 1000 V AC and 1500 V DC. Equipment for testing, measuring or monitoring protective equipment. Part 7. Phase alternation order. popup.stage_title Head Horopatskyi Viktor Н., Registration Date 09-12-2023 Organization State scientific-research institute of metrology of measuring and control systems popup.description2  The project of the national regulatory document DSTU EN IEC 61557-7:202_ (EN IEC 61557-7:2022, IDT; IEC 61557-7:2019, IDT) "Electrical safety of low-voltage distribution systems up to 1000 V AC and 1500 V DC" has been developed. Equipment for testing, measuring or monitoring protective equipment. Part 7. The sequence of alternating phases". Product Description popup.authors Glajs Evgen M Kizlivskyi Ivan H. Troynin Yuriy popup.nrat_date 2023-12-09 Close