Used for testing all kinds of electrical relays and for evaluating their ability to perform under expected conditions of transportation, storage and all aspects of operational use. This document defines a standard test method for thermoelectric electromotive force (e.m.f.).
IN_DEVELOPMENT
IEC 63522-28 ED1
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Jan 31, 2025
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