IEC 61587-1:2016

IEC 61587-1 ®
Edition 4.0 2016-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Mechanical structures for electronic equipment – Tests for IEC 60917 and
IEC 60297 series –
Part 1: Environmental requirements, test set-up and safety aspects for cabinets,
racks, subracks and chassis under indoor condition use and transportation

Structures mécaniques pour équipement électronique – Essais pour les séries
IEC 60917 et IEC 60297 –
Partie 1: Exigences environnementales, montage d’essai et aspects liés à la
sécurité des baies, bâtis, bacs à cartes et châssis dans des conditions
d’utilisation intérieure ou de transport
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IEC 61587-1 ®
Edition 4.0 2016-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Mechanical structures for electronic equipment – Tests for IEC 60917 and

IEC 60297 series –
Part 1: Environmental requirements, test set-up and safety aspects for cabinets,

racks, subracks and chassis under indoor condition use and transportation

Structures mécaniques pour équipement électronique – Essais pour les séries

IEC 60917 et IEC 60297 –
Partie 1: Exigences environnementales, montage d’essai et aspects liés à la

sécurité des baies, bâtis, bacs à cartes et châssis dans des conditions

d’utilisation intérieure ou de transport

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 31.240 ISBN 978-2-8322-3790-8

– 2 – IEC 61587-1:2016 © IEC 2016
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 9
4 Classification of environmental conditions . 9
5 General . 10
6 Climatic tests . 11
6.1 General . 11
6.2 Cold, dry heat and damp heat (cyclic) . 11
6.3 Industrial atmosphere . 12
7 Mechanical tests . 13
7.1 General . 13
7.2 Tests for subracks or chassis with an integrated subrack and associated
plug-in units according to IEC 60917 or IEC 60297 . 13
7.2.1 Static mechanical load tests of a subrack or a chassis with an
integrated subrack . 13
7.2.2 Dynamic mechanical load tests for a subrack or a chassis with an
integrated subrack . 17
7.2.3 Vibration and shock test of a mass loaded plug-in unit . 22
7.3 Static and dynamic mechanical load tests for cabinets or racks . 30
7.3.1 General . 30
7.3.2 Cabinet and rack – Static load tests . 30
7.3.3 Cabinet or rack – Vibration and shock tests . 37
7.3.4 Cabinet – Impact tests . 40
8 Safety aspects . 41
8.1 Safety aspects – General . 41
8.2 Earth bond . 41
8.2.1 Earth bond – General . 41
8.2.2 Test procedure – Earth bond . 42
8.3 Flammability . 42
8.4 Degrees of protection provided by enclosures (IP Code) . 42
Bibliography . 43

Figure 1 – Static mechanical load test fixture for a subrack or a chassis with an
integrated subrack . 13
Figure 2 – Single point (P3) load test for a subrack . 14
Figure 3 – Single point (P3) load test for a chassis with an integrated subrack . 15
Figure 4 – Single point (P4) load test for a subrack or a chassis with an integrated
subrack . 16
Figure 5 – Test fixture with a subrack under test . 18
Figure 6 – Test fixture with a chassis with an integrated subrack under test . 18
Figure 7 – Test setup and measurement point . 20
Figure 8 – Overview of a typical plug-in unit and test fixture. 23
Figure 9 – Overview of a typical plug-in unit test fixture – Sectional views . 24

Figure 10 – Typical mass loaded plug-in unit . 25
Figure 11 – Typical mass loaded host plug-in unit assembled with a mass loaded
mezzanine plug-in unit . 26
Figure 12 – Lifting test for cabinets or racks . 32
Figure 13 – Stiffness test for cabinets or racks . 33
Figure 14 – Test set up for cabinets and racks – Nominal load test . 35
Figure 15 – Test set up for cabinets or racks – Vibration and shock tests . 38

Table 1 – Examples showing references to tests . 10
Table 2 – Classifications for cold, dry heat and damp heat . 11
Table 3 – Classifications for industrial atmosphere . 12
Table 4 – Static mechanical load performance levels for subracks – Vertical mounted
plug-in units . 15
Table 5 – Typical test report of the mechanical P3 load test . 15
Table 6 – Static mechanical load performance levels for subracks – Horizontal
mounted plug-in units . 16
Table 7 – Typical test report of the mechanical P4 load test . 17
Table 8 – IEC 60297 series subracks with mass loaded plug-in units . 21
Table 9 – IEC 60917 series subracks with mass loaded plug-in units . 21
Table 10 – Subrack or chassis with integrated subrack – Total mass test categories . 22
Table 11 – Typical shock test report of subrack or chassis with an integrated subrack . 22
Table 12 – Typical
...