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prEN 10304

Magnetics materials - Magnetic materials (iron and steel) for use in relays prEN 10304

General information

40.10   harmonizedStageCodeLabel.40.10   Oct 23, 2026

CEN

CEN/TC 459/SC 8 Steel sheet and strip for electrical applications

European Norm

77.140.50   Flat steel products and semi-products

Scope

This document specifies the magnetic materials used principally for relays. In particular it specifies general requirements, the magnetic properties, geometric characteristics and tolerances.
This document is applicable to pure iron and steel products generally delivered in the semi-processed state.
These materials correspond to clauses A, B, C1 and C2 of EN 60404-1.

Life cycle

PREVIOUSLY

PUBLISHED
EN 10304:2001

NOW

IN_DEVELOPMENT
prEN 10304
40.10 harmonizedStageCodeLabel.40.10
Oct 23, 2026




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