IEC 63522-28:2025 This part of IEC 63522 is 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.).
PUBLISHED
IEC 63522-28:2025 ED1
60.60
Standard published
Apr 23, 2025