SR EN IEC 61557-7:2022/A1:2023

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

General information

Status : Valid
Approval date : 11/29/2023
Number of pages : 17
ICS : 17.220.20 Measurements of electical and magnetic quantities,29.080.01 Electrical insulation in general,29.240.01 Power transmission and distribution network in general
Technical Committee : 166 - Measuring equipment for electrical and electromagnetic quantities

Relations with other standards:

Amends SR EN IEC 61557-7:2022