BS EN IEC 63522-28:2025 PDF

Electrical relays. Tests and measurement - Thermoelectric electromotive force (e.m.f.)

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BS EN IEC 63522-28:2025

Electrical relays. Tests and measurement - Thermoelectric electromotive force (e.m.f.)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Дата публикации:: 30 июня 2025 г.
ICS:: 29.120.70
Технический комитет:: CENELEC
SKU:: BS EN IEC 63522-28:2025

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Abstract

1 Scope

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.

NOTE 1 Examples for electrical relays in the sense of this document include electromechanical relays, reed relays, reed contacts, reed switches, solid state relays, time relays and technology combinations of these.

This document defines a standard test method for thermoelectric electromotive force (e.m.f.).

NOTE 2 If different metals are attached at both ends and the temperatures where the metals are connected are different, then a current will flow in one direction in the circuit. The electromotive force that causes this current is called thermoelectromotive force.

BS EN IEC 63522-28:2025 PDF

Abstract

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