NEN EN 50298 : 1998

1 General
    1.1 Scope and object
    1.2 Normative references
2 Definitions
    2.1 Empty enclosure
    2.2 Protected space
    2.3 Cover
    2.4 Door
    2.5 Mounting plate
    2.6 Cable gland plate
    2.7 Removable cover
    2.8 Enclosure manufacturer
    2.9 Box
    2.10 Cubicle
3 Classification
    3.1 The type of material
    3.2 The method of fixing
    3.3 The intended location
    3.4 The degree of protection
    3.5 The rated insulation voltage (for enclosures made
          of insulating materials)
4 EMC requirements
5 Information to be given regarding the enclosure
    5.1 Marking
    5.2 Documentation
6 Service conditions
    6.1 Normal service conditions
    6.2 Special service conditions
    6.3 Conditions during transport and storage
7 Design and construction
    7.1 General
    7.2 Dimensions
    7.3 Mounting arrangements
    7.4 Static loads
    7.5 Lifting and transport support
    7.6 Access to the interior of the enclosure
    7.7 Protective circuit
    7.8 Dielectric strength
    7.9 Degree of protection (IK code)
    7.10 Degree of protection (IP code)
8 Type tests
    8.1 General conditions of tests
    8.2 Marking
    8.3 Static loads
    8.4 Lifting
    8.5 Verification of axial loads of metal inserts
    8.6 Verification of degree of protection against
          external mechanical impacts (IK code)
    8.7 Verification of degree of protection (IP code)
    8.8 Properties of insulating materials
    8.9 Verification of the dielectric strength
    8.10 Verification of the continuity of the protective
          circuit
    8.11 Verification of resistance to weathering
    8.12 Verification of resistance to corrosion

Covers definitions, classifications, characteristics and test requirements for enclosures used as part of switchgear and controlgear assemblies according to the EN 60439 series. Applies to empty enclosures, prior to the incorporation of swithgear and controlgear components by the user, as supplied by the enclosure manufacturer. Not applicable to enclosures which are covered by other specific product standards. It is the responsibility of the final assembly manufacturer to comply with the safety requirements of the applicable product standard.