Empty enclosures for low-voltage switchgear and controlgear assemblies — General requirements
(See attachment for details)
CONTENTS
1 Scope …………………………………………………………………………………………………………….4
2 Normative references ………………………………………………………………………………………..4
3 Terms and definitions ………………………………………………………………………………………..5
4 Classification……………………………………………………………………………………………………6
5 EMC requirements …………………………………………………………………………………………… 7
6 Information to be given regarding the enclosure……………………………………………………..7
6.1 Marking …………………………………………………………………………………………………..7
6.2 Documentation …………………………………………………………………………………………7
7 Service conditions …………………………………………………………………………………………….7
7.1 Normal service conditions…………………………………………………………………………..8
7.2 Special service conditions…………………………………………………………………………..8
7.3 Conditions during transport and storage………………………………………………………..9
8 Design and construction …………………………………………………………………………………….9
8.1 General …………………………………………………………………………………………………..9
8.2 Dimensions ……………………………………………………………………………………………..9
8.3 Mounting arrangements ……………………………………………………………………………..9
8.4 Static loads ……………………………………………………………………………………………..9
8.5 Lifting and transport support …………………………………………………………………….. 10
8.6 Access to the interior of the enclosure ……………………………………………………….. 10
8.7 Protective circuit …………………………………………………………………………………….. 10
8.8 Dielectric strength…………………………………………………………………………………… 10
8.9 Degree of protection (IK code) ………………………………………………………………….. 10
8.10 Degree of protection (IP code) ………………………………………………………………….. 11
9 Type tests …………………………………………………………………………………………………….. 11
9.1 General conditions of tests ………………………………………………………………………. 11
9.2 Marking ………………………………………………………………………………………………… 12
9.3 Static loads …………………………………………………………………………………………… 12
9.4 Lifting …………………………………………………………………………………………………… 12
9.5 Verification of axial loads of metal inserts …………………………………………………… 12
9.6 Verification of degree of protection against external mechanical impacts (IK code)13
9.7 Verification of degree of protection (IP code)……………………………………………….. 14
9.8 Properties of insulating materials ………………………………………………………………. 15
9.9 Verification of dielectric strength ……………………………………………………………….. 17
9.10 Verification of the continuity of the protective circuit ……………………………………… 18
9.11 Verification of resistance to weathering ………………………………………………………. 18
9.12 Verification of resistance to corrosion ………………………………………………………… 19
Annex ZA (normative) Normative references to international publications with their
corresponding European publications ………………………………………………………………………. 21
Bibliography………………………………………………………………………………………………………… 23
Figure 1 – Ball-pressure apparatus………………………………………………………………………….. 20
Table 1 – Number of samples to be tested and order of test per sample ………………………… 11
Table 2 – Axial loads of metal inserts ………………………………………………………………………. 13
Table 3 – Relation between IK code and impact energy ………………………………………………. 14
Download: BSEN62208-2004