EN IEC 60393-4:2023

Potentiometers for use in electronic equipment - Part 4: Sectional specification: Single-turn rotary power potentiometers

Publication date:   Mar 18, 2024

General information

60.60 Standard published   Dec 8, 2023

CENELEC

CLC/SR 40 Capacitors and resistors for electronic equipment

European Norm

31.040.20   Potentiometers, variable resistors

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Scope

IEC 60393-4:2023 is applicable to single-turn rotary power potentiometers wire-wound technology. Enamelled, cemented, moulded, enclosed.

This specification is applicable to rotary potentiometers with nominal dissipation in excess of 10 W, the resistive element of which consists of a wire or a wound tape. All the potentiometers specified by this specification are slider-driven without reduction. Their stroke less than 360° is limited by stops.

This document specifies preferred ratings and characteristics and selects from IEC 60393-1, appropriate quality assessment procedures, tests and measuring methods. It provides general performance requirements for this type of potentiometer.

This document gives the minimum performance requirements and test severities. Annex A lists the letters and symbols used in the clauses of this document.

This edition includes the following significant technical changes with respect to the previous edition:

a) the document structure has been organized to follow new sectional specification structure decided in TC 40;

b) the information on the assessment level EZ and FZ (zero nonconforming) has been revised.

Life cycle

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PUBLISHED
EN IEC 60393-4:2023
60.60 Standard published
Dec 8, 2023