IEC 60418-4 : 1.0

Table of Contents

FOREWORD
PREFACE
SECTION ONE - GENERAL
Clause
1 Scope
2 Object
3 Terminology
SECTION TWO - GENERAL REQUIREMENTS FOR TESTS, MARKING
              AND IEC TYPE DESIGNATION
4 Test conditions
   4.1 Standard atmospheric conditions for testing
   4.2 Methods of mounting
   4.3 Test samples
   4.4 Schedule for type tests
   4.5 Classification into categories
   4.6 Marking
   4.7 IEC type designation
SECTION THREE - METHODS OF TEST
5 Visual examination
6 Dimensions and effective angle of rotation
7 Capacitance
8 Blacklash
9 Tangent of the loss angle
10 Insulation resistance
11 Voltage proof
12 Rotor contact resistance
13 Temperature coefficient
14 Capacitance drift
15 Operating torque
16 Locking
17 Locking torque proof
18 End stop torque
19 Thrust and pull (axial)
20 Side thrust
21 Robustness of temperature
22 Rapid change of temperature
23 Soldering
24 Impact
25 Vibration
26 Climatic sequence
27 Damp heat (steady state)
28 Corrosion
29 Endurance
30 Sealing (normal conditioning)
31 Sealing (extended conditioning)
32 Capacitance drift after adjustment

Abstract

418-4A FIRST SUPPLEMENT 1980 These three publications give test methods and requirements for judging electrical, mechanical and climatic properties and for a system of classification into categories according to the ability of the capacitors to withstand the conditions specified.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 40