• NBN EN 61241-0 : 2007

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.


    Available format(s): 

    Superseded date:  06-01-2010


    Published date:  12-01-2013

    Publisher:  Belgian Standards

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    Table of Contents - (Show below) - (Hide below)

    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Construction
       4.1 General
       4.2 Void
       4.3 Opening enclosures
       4.4 Environmental conditions
       4.Z1 Mechanical strength of apparatus
    5 Temperatures
       5.1 Maximum surface temperature
       5.2 Maximum surface temperature with respect to
             dust layers above 50 mm
       5.3 Ambient temperature
    6 Enclosure materials
       6.1 Non-metallic enclosures and non-metallic parts of
       6.2 Enclosures containing light metals
    7 Fasteners
       7.1 Access to live parts
       7.2 Compatible material
    8 Interlocking devices
    9 Bushings
       9.1 Prevention of turning
       9.2 Torque tests
    10 Materials used for cementing
       10.1 Documentation
       10.2 Thermal stability
       10.3 Verification
    11 Ex components
       11.1 General
       11.2 Mounting
       11.3 Internal mounting
       11.4 External mounting
    12 Connection facilities and terminal compartments
       12.1 Attached cables
       12.2 Terminal access
       12.3 Creepage and clearance
    13 Connection facilities for earthing or bonding conductors
       13.1 Internal connection
       13.2 External connection
       13.3 Facility not required
       13.4 Effective connection
       13.5 Effective contact
       13.6 Environmental
       13.7 Use of light metal
    14 Cable and conduit entries
       14.1 Intended use
       14.2 Construction
       14.3 Integral part of the apparatus
       14.4 Prevention of twisting
       14.5 Method of attaching
       14.6 Blanking elements
       14.7 Branching point temperatures
    15 Radiating equipment
       15.1 Lasers and other continuous wave source
       15.2 Ultrasonic sources
    16 Supplementary requirements for specific
       electrical apparatus - Rotating electrical machines
       16.1 Ventilation openings for external fans
       16.2 Construction and mounting of the ventilating systems
       16.3 Clearances for the ventilating system
       16.4 Materials for external fans and fanhoods
    17 Switchgear
       17.1 Flammable dielectric
       17.2 Interlocking
       17.3 Indication of open position
       17.4 Openings
    18 Fuses
    19 Plugs and sockets
       19.1 Plugs and sockets construction
       19.2 Bolted plugs and sockets
       19.3 For Zone 21 and Zone 22
       19.4 Plugs remaining energized
    20 Luminaires
       20.1 Light transmitting covers
       20.2 Guards
       20.3 Mounting
       20.4 Covers
       20.5 Parts remaining energized
       20.6 Types of lamps
    21 Caplights, caplamps and handlamps
       21.1 Leakage
       21.2 Separate enclosures
    22 Apparatus incorporating cells and batteries
       22.1 General
       22.2 Connection of cells
       22.3 Characteristics
       22.4 Compatibility
       22.5 Limits
       22.6 Mixture of cells
       22.7 Interchangeability
       22.8 Re-charging
       22.9 Different cells
       22.10 Leakage
       22.11 Method of connection
       22.12 Orientation
       22.13 Identification of replacement
    23 Verification and tests
       23.1 General
       23.2 Verification of documents
       23.3 Compliance of prototype or sample with documents
       23.4 Type tests
    24 Routine verifications and tests
    25 Manufacturer's responsibility
    26 Verifications and tests on modified or repaired electrical
    27 Clamping tests of cable entries for non-armoured and braided
       27.1 Cable entries with clamping by the sealing ring
       27.2 Cable entries with clamping by filling compound
       27.3 Cable entries with clamping by means of a clamping device
       27.4 Tensile test
       27.5 Mechanical strength
    28 Clamping tests of cable entries for armoured cables
       28.1 Clamping tests where the armourings are clamped
             by a device within the gland
       28.2 Clamping tests where the armourings are not clamped by a
             device within the gland
    29 Marking
       29.1 General
       29.2 Marking of all electrical apparatus
       29.3 Multiple protection techniques
       29.4 Order of marking
       29.5 Reduced marking
    30 Examples of marking
       30.1 Apparatus type of protection "mD" for use in Zone 20
       30.2 Apparatus type of protection "iaD" for use in Zone 20
       30.3 Apparatus type of protection "pD" for use in Zone 21
       30.4 Apparatus type of protection "tD", Practice A; temperature
             tested under 500 mm dust layer, for use in Zone 21
       30.5 Apparatus type of protection "tD", Practice B for use in
             Zone 22
       30.6 Apparatus type of protection "tD", Practice A for use in
             Zone 22
    Annex ZA (informative) Classification of electrical apparatus into
    Annex ZB (normative) Normative references to international
             publications with their corresponding European publications
    Annex ZZ (informative) Coverage of Essential Requirements of EC

    Abstract - (Show below) - (Hide below)

    Defines general requirements for the design, construction, testing and marking of electrical apparatus protected by any recognized safeguard technique for use in areas where combustible dust may be present in quantities that could lead to a fire or explosion hazard.

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    Development Note Supersedes NBN EN 50281 1-1. (10/2007)
    Document Type Standard
    Publisher Belgian Standards
    Status Superseded
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