GS IEC 60255-27:2017

Measuring relays and protection equipment

- Part 27: Product safety requirements

Scope

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This part of the GS IEC 6 0255 series describes the product safety requirements for measuring relays and protection equipment having a rated a.c. voltage up to 1 000 V with a rated frequency up to 65 Hz, or a rated d.c. voltage up to 1 500 V.