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eLibrary > BS EN IEC 60730-1:2024+A11:2024 Automatic electrical controls - General requirements >

BS EN IEC 60730-1:2024+A11:2024 Automatic electrical controls - General requirements, 2024

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BS EN IEC 60730-1:2024+A11:2024 Automatic electrical controls - General requirements, 2024

undefined
European foreword
Endorsement notice [Go to Page]
15 Modification to Bibliography
English [Go to Page]
CONTENTS
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions [Go to Page]
3.1 Definitions relating to ratings, voltages, currents, frequencies, and wattages
3.2 Definitions of types of control according to purpose
3.3 Definitions relating to the function of controls
3.4 Definitions relating to disconnection and interruption
3.5 Definitions of types of control according to construction
3.6 Definitions of type of automatic action of a control
3.7 Definitions relating to protection against electric shock and type of insulation
3.8 Definitions relating to component parts of controls
3.9 Definitions of types of terminals and terminations of controls
3.10 Definitions relating to the connections to controls
3.11 Definitions relating to the performance of type 2 actions
3.12 Definitions relating to the requirements for creepage distances and clearances
3.13 Miscellaneous definitions
3.14 Definitions relating to manufacturer and user
3.15 Definitions pertaining to thermistors
3.16 Definitions relating to the structure of controls using software
3.17 Definitions relating to error avoidance in controls using software
3.18 Definitions relating to fault/error control techniques for controls using software
3.19 Definitions relating to memory tests for controls using software
3.20 Definitions of software terminology – General
3.21 Definitions relating to classes of control functions
3.22 Definitions relating to functional safety
3.23 Definitions related to access to data exchange
3.24 Definitions related to EMC performance
Figures [Go to Page]
Figure 1 – Example of ports
4 General [Go to Page]
4.1 General structure of the document
4.2 General requirements
4.3 General notes on tests
Figure 2 – Structure of the document with respectto inherent safety and functional safety
5 Required technical information [Go to Page]
5.1 General requirements
5.2 Methods of providing technical information
Tables [Go to Page]
Table 1 – Required technical information and methods of providing these information
5.3 Class II symbol
5.4 Additional requirements for marking
5.5 Warning or cautionary markings
6 Protection against electric shock [Go to Page]
6.1 General requirements
6.2 Actuating members and actuating means
6.3 Capacitors
6.4 Covers and uninsulated live or hazardous parts
6.5 Battery operated controls provided with a user accessible mains supply input connector
7 Provision for protective earthing [Go to Page]
7.1 Class 0I and Class I controls
7.2 Class II and class III controls
7.3 Adequacy of earth connections
7.4 Corrosion resistance
7.5 Other requirements
7.6 Protective equipotential bonding
8 Terminals and terminations [Go to Page]
8.1 Terminals and terminations for external copper conductors
Table 2 – Cross-sectional area of conductors
Table 3 – Terminal conductors
Table 4 – Conductor pull test values
8.2 Terminals and terminations for internal conductors
Table 5 – Nominal cross-sectional areas of conductors
Table 6 – Axial force values for tab insertion and withdrawal
8.3 Terminals and terminations for integrated conductors
9 Constructional requirements [Go to Page]
9.1 Materials
9.2 Protection against electric shock
9.3 Actuation and operation
9.4 Actions
9.5 Openings in enclosures
9.6 Mounting of controls
9.7 Attachment of cords
9.8 Size of cords – nondetachable
9.9 Inlet openings
Table 7 – Minimum cord conductor sizes
9.10 Equipment inlets and socketoutlets
9.11 Requirements during mounting, use, maintenance and servicing
9.12 Controls using software
Table 8 – Data exchange
9.13 Protective controls and components of protective control systems
10 Threaded parts and connections [Go to Page]
10.1 Threaded parts moved during mounting or servicing
10.2 Currentcarrying connections and connections providing protective earthing continuity
Table 9 – Threaded parts torque test values
11 Creepage distances, clearances and distances through solid insulation [Go to Page]
11.1 General
11.2 Clearances
Table 10 – Rated impulse voltage for equipment energized directly from the supply mains (from IEC 60664-1:2007, Table F.1)
Table 11 – Clearances for insulation co-ordination (from IEC 606641:2007, Table F.2)
11.3 Creepage distances
Table 12 – Minimum creepage distances for basic insulation
Table 13 – Minimum creepage distancesfor functional insulation
11.4 Solid insulation
12 Components [Go to Page]
12.1 Transformers
12.2 Switch mode power supplies and converters
12.3 Capacitors
12.4 Fuses
12.5 Varistors
12.6 Thermistors
12.7 Relays
12.8 Other components
13 Fault assessment on electronic circuits [Go to Page]
13.1 Fault assessment for inherent safety
Figure 3 – Example of an electronic circuit with low power points
Table 14 – Electrical/electronic component fault modes
14 Moisture and dust resistance [Go to Page]
14.1 Protection against ingress of water and dust
14.2 Protection against humid conditions
14.3 Touch current test for in-line cord controls and free-standing controls
15 Electric strength and insulation resistance [Go to Page]
15.1 Insulation resistance
15.2 Electric strength
Table 15 – Minimum insulation resistance
Table 16 – Insulation or disconnection test voltages
15.3 Additional tests for in-line cord and free-standing controls
16 Heating [Go to Page]
Table 17 – Maximum heating temperatures
17 Manufacturing deviation and drift
18 Environmental stress [Go to Page]
18.1 Transportation and storage
18.2 Environmental stress of temperature
19 Endurance [Go to Page]
19.1 General requirements
19.2 Electrical conditions for the tests
Table 18 – Electrical conditions for the overvoltage and endurance tests
Table 19 – Electrical conditions for the overload tests of 19.7 and 19.10
Table 20 – Electrical conditions for the endurance tests of 19.8, 19.9, 19.11, 19.12 and 19.13
19.3 Thermal conditions for the tests
19.4 Manual and mechanical conditions for the tests
19.5 Dielectric strength requirements
19.6 Ageing test
19.7 Overvoltage test or overload test in all countries using an overload test of automatic action at accelerated rate
19.8 Test of automatic action at accelerated rate
19.9 Test of automatic action at slow rate
19.10 Overvoltage test or overload test in all countries that use the overload test of manual action at accelerated speed
19.11 Test of manual action at slow speed
19.12 Test of manual action at high speed which has multiple poles, and where polarity reversal occurs during the action
19.13 Test of manual action at accelerated speed
19.14 Evaluation of compliance
19.15 Test for particular purpose controls
20 Mechanical strength [Go to Page]
20.1 General requirements
20.2 Impact resistance
20.3 Freestanding controls
20.4 Inline cord controls
20.5 Pullcord actuated controls
20.6 Foot actuated controls
20.7 Actuating member and actuating means
Table 21 – Pull-cord force test values
20.8 Flexing – test
20.9 Cord anchorages – test
Table 22 – Pull and torque values
21 Resistance to heat, fire and tracking [Go to Page]
21.1 General requirements
21.2 Integrated, incorporated and inline cord controls
21.3 Independently mounted, free-standing controls
22 Resistance to corrosion [Go to Page]
22.1 Resistance to rusting
23 Electromagnetic compatibility (EMC) requirements – Emission [Go to Page]
23.1 General requirement
23.2 High frequency emission
Table 23 – Emission limit for residential electromagnetic environment
Table 24 – Emission limit for industrial electromagnetic environment
23.3 Low frequency emission
24 Normal operation
25 Electromagnetic compatibility (EMC) requirements – Immunity [Go to Page]
25.1 General
25.2 EMC test plan and report
Table 25 – The applicable EMC test in relation to the class of control function and type of Action
25.3 Immunity requirements
Table 26 – Immunity test requirements for residential electromagnetic environments
Table 27 – Immunity test requirements for industrial electromagnetic environment
25.4 Performance criteria
25.5 Surge immunity test
25.6 Electrical fast transient immunity test
Table 28 – Performance criteria
25.7 Radio-frequency electromagnetic field immunity
25.8 Electrostatic discharge
25.9 Immunity to power-frequency magnetic fields
25.10 Test of the influence of voltage dips and voltage interruption in the power supply network
26 Abnormal operation tests [Go to Page]
26.1 Abnormal temperature test
26.2 Overload tests
Table 29 – Maximum winding temperature(for test of mechanical blocked output conditions)
26.3 Battery short-circuit test
Figure 4 – Test pin probe 13 of IEC 61032:1997
Figure 5 – Test finger probe B of IEC 61032:1997
Figure 6 – Test fingernail
Figure 7 – Impact test for free-standing controls
Figure 8 – Tumbling barrel
Figure 9 – Apparatus for testing durability of markings on rating labels
Figure 10 – Apparatus for flexing test
Figure 11 – Screw terminals and stud terminals
Figure 12 – Pillar terminals
Figure 13 – Mantle terminals
Figure 14 – Saddle and lug terminals
Figure 15 – Tabs
Figure 16 – Tabs for non-reversible connectors
Figure 17 – Receptacles
Figure 18 – Measurement of creepage distance and clearance
Figure 19 – Diagram for touch current measurement at operating temperature for single-phase connection of class II controls
Figure 20 – Diagram for touch current measurement at operating temperature for single-phase connection of controls other than class II
Figure 21 – Diagram for touch current measurement at operating temperature for three-phase connection of class II controls
Figure 22 – Diagram for touch current measurement at operating temperature for three-phase connection of controls other than class II
Figure 23 – Diagram for touch current measurement at operating temperature for single-phase connection of controls to three-wire, ground neutral supply other than class II
Figure 24 – Diagram for touch current measurement at operating temperature for two‑phase connection of controls to three-wire, ground neutral supply other than class II
Annexes [Go to Page]
Annex A (normative) Indelibility of markings
Annex B (normative) Measurement of creepage distances and clearances in air
Table B.1 – Value of X
Figure B.1 – Narrow groove
Figure B.2 – Wide groove
Figure B.3 – V-shaped groove
Figure B.4 – Rib
Figure B.5 – Uncemented joint with narrow groove
Figure B.6 – Uncemented joint with wide groove
Figure B.7 – Uncemented joint with narrow and wide grooves
Figure B.8 – Diverging side walls
Figure B.9 – Narrow recess
Figure B.10 – Wide recess
Figure B.11 – Conductive floating part
Annex C (informative) Nominal voltages of supply systems for different modes of overvoltage control
Table C.1 – Inherent control or equivalent protective control
Table C.2 – Cases where protective control is necessary and control is provided by surge arresters having a ratio of clamping voltage to rated voltage not smaller than that specified by IEC 60099-1
Annex D (normative) Overvoltage categories
Annex E (informative) Typical usage of controls and related overvoltage categories
Table E.1 – Typical usage
Annex F (normative) Pollution degrees [Go to Page]
F.1 Pollution
F.2 Degrees of pollution in the micro-environment
Annex G (normative) Resistance to heat, fire and tracking tests [Go to Page]
G.1 Glow-wire test
G.2 Proof tracking test
G.3 Ball pressure test
Annex H (normative) Requirements related to functional safety [Go to Page]
H.3 Terms and definitions
H.5 Information
Table H.1 – Additional items to Table 1 [Go to Page]
H.9 Constructional requirements
Table H.2 – Acceptable measures to address fault/errors a
Figure H.1 – V-Model for the software life cycle
Table H.3 – Examples of techniques/measures for semi-formal methods
Table H.4 – Examples of techniques/measures for software architecture specification
Table H.5 – Examples of techniques/measures for module design specification
Table H.6 – Examples of techniques/measures for design and coding standards
Table H.7 – Examples of techniques/measures for software module testing
Table H.8 – Examples of techniques/measures for software integration testing
Table H.9 – Examples of techniques/measures for software safety validation
Table H.10 – Combinations of analytical measures during hardware development
Table H.11 – Examples of defences against unauthorised access and transmission failure modes [Go to Page]
H.13 Fault assessment on electronic circuits
H.17 Manufacturing deviation and drift
H.19 Endurance
H.25 Electromagnetic compatibility (EMC) requirements – Immunity
Table H.12 – Applicable test levels in addition to Clause 25
Table H.13 – Voltage dips, short interruptions and voltage variations
Table H.14 – Test values for voltage variations
Figure H.2 – Voltage variation test
Table H.15 – Test voltages for test level 2 (depending on the installation class conditions)
Table H.16 – Test level for electrical fast transient burst test
Table H.17 – Test levels for conducted disturbances on mains and I/O lines
Table H.18 – Test level for immunity to radiated electromagnetic fields
Table H.19 – Increased test level for radiated immunity
Table H.20 – Test level for supply frequency variations
Table H.21 – Test level for continuous fields
Annex I (normative) Requirements for certain types of DC supplied controls [Go to Page]
I.1 Scope
Table I.1 – Electrical transient conduction immunity in accordance with ISO 7637-2
Table I.2 – Electrical transient conduction immunity in accordance with ISO 7637-3
Annex J (normative) Requirements for thermistor elements and controls using thermistors [Go to Page]
J.1 Scope
Table J.1 – Maximum current
Table J.2 – Normal operating conditions
Table J.3 – Samples for the test (clause reference)
Table J.4 – Electrical and thermal ratings of a thermistor
Table J.5 – Additional items to Table 1
Table J.6 – Sequence of calibration and conditioning tests for PTC thermistors
Table J.7 – Classes for PTC sensing thermistors
Table J.8 – Sequence of calibration and conditioning tests for NTC thermistors
Table J.9 – Classes for NTC sensing thermistors
Table J.10 – Number of cycles for endurance test
Table J.11 – Ageing test temperature
Table J.12 – Number of cycles for endurance test
Figure J.1 – Generic test circuit for inrush-current limiting thermistor endurance test
Annex K (normative) Circuit for measuring touch current
Figure K.1 – Circuit for measuring touch currents
Annex L (normative) Printed circuit board coating performance test
Table L.1 – Environmental cycling conditions
Figure L.1 – Test sample
Annex M (normative) Printed circuit board protection
Table M.1 – IEC 60664-3 test levels or conditions
Figure M.1 – Example of type 1 protection
Figure M.2 – Example of type 2 protection
Annex N (informative) Explanatory notes for surge immunity test [Go to Page]
N.1 Different source impedances
N.2 Application of the tests
N.3 Installation classification
Figure N.1 – Example of surge protection by shielding in buildings with common earth reference systems
Figure N.2 – Example of secondary surge protection in buildings with separate common earth reference systems
Figure N.3 – Example of primary and secondary surge protection of indoor/outdoor equipment
Annex O (informative) Guidance for applying Clause 11
Figure O.1 – Guidance flowchart for application of requirements of Clause 11
Table O.1 – Example A – Using Annex O guidance for applying Clause 11
Table O.2 – Example B – Using Annex O guidance for applying Clause 11
Annex P (normative) Requirements for SELV and PELV [Go to Page]
P.1 Overview of the requirements for SELV and PELV
P.2 Protection against electric shock by SELV system or PELV system
P.3 Protective measures for SELV system and PELV system
Annex Q (informative) Regional differences relevant for the member countries of Cenelec
Annex R (informative) National differences relevant in the United States of America [Go to Page]
R.2 Normative references
Annex S (informative) National differences relevant in Japan [Go to Page]
S.2 Normative references
Annex T (informative) National differences relevant in Canada [Go to Page]
T.2 Normative references
Bibliography [Go to Page]

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