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IEC TR 60721-4-4 : 1.1

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IEC TR 60721-4-4 : 1.1

CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 4-4: GUIDANCE FOR THE CORRELATION AND TRANSFORMATION OF ENVIRONMENTAL CONDITION CLASSES OF IEC 60721-3 TO THE ENVIRONMENTAL TESTS OF IEC 60068 - STATIONARY USE AT NON-WEATHERPROTECTED LOCATIONS

International Electrotechnical Committee

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Table of Contents

FOREWORD
INTRODUCTION
1 Scope and object
2 Reference documents
3 Overview
  3.1 General remarks concerning IEC 60721
  3.2 General remarks concerning IEC 60068
  3.3 Severities
  3.4 Recommended tests
  3.5 Environmental tests for in-use classes
  3.6 Test durations
  3.7 Ambient
4 Climatic conditions
5 Dynamic conditions
Annex A Stationary use at non-weatherprotected locations - Climatic
        conditions
Annex B Stationary use at non-weatherprotected locations - Dynamic
        conditions
Tables

Abstract

Deals with the correlation and transformation of the conditions given in IEC 60721-3-4 to the environmental tests defined in IEC 60068-2. Provides the specification writer with guidance together with a set of easy-to-use tables which correlate and transform these conditions.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 104