AS/NZS 61730.1:2024
Photovoltaic (PV) module safety qualification, Part 1: Requirements for construction
Standard adopts and modifies IEC 61730 1:2023, which specifies and describes the fundamental construction requirements for photovoltaic (PV) modules in order to provide safe electrical and mechanical operation. Specific topics are provided to assess the prevention of electrical shock, fire hazards, and personal injury due to mechanical and environmental stresses.
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AS/NZS 61730.1:2024 Photovoltaic (PV) module safety qualification Requirements for construction (IEC 61730-1:2023 (ED. 3.0), MOD)
Preface
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms
3.1 General terms and definitions
3.2 Components
3.3 Installation and application
3.4 Insulation concepts
3.5 Ratings
3.6 Temperatures
3.7 Voltages
3.8 Bifacial photovoltaics
4 Symbols and abbreviated terms
5 Classification, applications and intended use
5.1 General
5.2 PV modules of Class 0
5.2.1 General
5.2.2 Insulation
5.2.3 Application
5.3 PV modules of Class II
5.3.1 General
5.3.2 Insulation
5.3.3 Application
5.4 PV modules of Class III
5.4.1 General
5.4.2 Insulation
5.4.3 Application
5.5 Rating categories and special applications
6 Requirements for design and construction
6.1 General
6.2 Marking and documentation
6.2.1 General
6.2.2 Marking
6.2.3 Documentation
6.3 Electrical components and insulation
6.3.1 General
6.3.2 Internal wiring
6.3.3 External wiring and cables
6.3.4 Module overcurrent protection rating
6.3.5 Connectors
6.3.6 Junction boxes
6.3.7 Frontsheets and backsheets
6.3.8 Insulation barriers
6.3.9 Electrical connections
6.3.10 Encapsulants
6.3.11 Bypass diodes
6.4 Mechanical and electromechanical connections
6.4.1 General
6.4.2 Screw connections
6.4.3 Rivets
6.4.4 Thread-cutting screws
6.4.5 Form/press/tight fit
6.4.6 Connections by adhesives
6.4.7 Other connections
6.5 Materials
6.5.1 General
6.5.2 Polymeric materials
6.5.3 Metallic materials
6.5.4 Adhesives
6.6 Protection against electric shock
6.6.1 General
6.6.2 Protection against accessibility to hazardous live parts
6.6.3 Insulation coordination
6.6.4 Distance through functional and relied upon insulation
Annex A (normative) Symbol "Do not disconnect under load"
Annex B (normative) Basis for insulation coordination dimensions
Annex C (informative) Specific use cases
Bibliography
Appendix ZZ (normative) Modifications to IEC 61730‑1:2023 for Australia and New Zealand
Figure 1 — IEC 60417-5021:2002-10
Figure 2 — IEC 60417-5017:2006-08
Figure 3 — IEC 60417-5018:2011-07
Figure A.1 — Symbol "DO NOT DISCONNECT UNDER LOAD"
Figure A.2 — Symbol IEC 60417-6070:2011-06: "Do not disconnect under load"
Figure C.1 — General case for clearance, creepage distances and DTI
Figure C.2 — Location of highest potential difference within the module
Figure C.3 — Examples of spacing requirements between live parts of different potential within a module
Figure C.4 — Clearance and creepage distance between internal live parts and outer accessible surfaces
Figure C.5 — Effect of frame tape or edge adhesive on clearance and creepage distance
Figure C.6 — Distance between internal live parts and outer accessible surfaces with a cemented joint
Figure C.7 — Backsheet with aluminium layer
Figure C.8 — Spacing requirements between the junction box ribbon and aluminium layer of backsheet
Figure C.9 — Considerations for clearances and creepage distances between live parts and outer accessible surfaces after installation and termination of junction box (J-box)
Figure C.10 — Possible critical points due to improper installation
Table 1 — Classes for protection against electric shock
Table 2 — Required type of insulation
Table 5 — Multiplication factors for clearances of equipment rated for operation at altitudes greater than 2 000 m above sea level
Table B.1 — Rated impulse voltage
Table B.2 — Minimum clearances for an inhomogeneous field
Table B.3 — Minimum spacings for thin layers
Table C.1 — Distance between parts of different potential within a PV module (values for Class II modules with working voltage of ≤ 35 V)
Table C.2 — Spacing between live parts and outer accessible surfaces (values for Class II modules with rated system voltage of 1 500 V)
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AS/NZS 61730.1:2024 Photovoltaic (PV) module safety qualification Requirements for construction (IEC 61730-1:2023 (ED. 3.0), MOD)
Preface
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms
3.1 General terms and definitions
3.2 Components
3.3 Installation and application
3.4 Insulation concepts
3.5 Ratings
3.6 Temperatures
3.7 Voltages
3.8 Bifacial photovoltaics
4 Symbols and abbreviated terms
5 Classification, applications and intended use
5.1 General
5.2 PV modules of Class 0
5.2.1 General
5.2.2 Insulation
5.2.3 Application
5.3 PV modules of Class II
5.3.1 General
5.3.2 Insulation
5.3.3 Application
5.4 PV modules of Class III
5.4.1 General
5.4.2 Insulation
5.4.3 Application
5.5 Rating categories and special applications
6 Requirements for design and construction
6.1 General
6.2 Marking and documentation
6.2.1 General
6.2.2 Marking
6.2.3 Documentation
6.3 Electrical components and insulation
6.3.1 General
6.3.2 Internal wiring
6.3.3 External wiring and cables
6.3.4 Module overcurrent protection rating
6.3.5 Connectors
6.3.6 Junction boxes
6.3.7 Frontsheets and backsheets
6.3.8 Insulation barriers
6.3.9 Electrical connections
6.3.10 Encapsulants
6.3.11 Bypass diodes
6.4 Mechanical and electromechanical connections
6.4.1 General
6.4.2 Screw connections
6.4.3 Rivets
6.4.4 Thread-cutting screws
6.4.5 Form/press/tight fit
6.4.6 Connections by adhesives
6.4.7 Other connections
6.5 Materials
6.5.1 General
6.5.2 Polymeric materials
6.5.3 Metallic materials
6.5.4 Adhesives
6.6 Protection against electric shock
6.6.1 General
6.6.2 Protection against accessibility to hazardous live parts
6.6.3 Insulation coordination
6.6.4 Distance through functional and relied upon insulation
Annex A (normative) Symbol "Do not disconnect under load"
Annex B (normative) Basis for insulation coordination dimensions
Annex C (informative) Specific use cases
Bibliography
Appendix ZZ (normative) Modifications to IEC 61730‑1:2023 for Australia and New Zealand
Figure 1 — IEC 60417-5021:2002-10
Figure 2 — IEC 60417-5017:2006-08
Figure 3 — IEC 60417-5018:2011-07
Figure A.1 — Symbol "DO NOT DISCONNECT UNDER LOAD"
Figure A.2 — Symbol IEC 60417-6070:2011-06: "Do not disconnect under load"
Figure C.1 — General case for clearance, creepage distances and DTI
Figure C.2 — Location of highest potential difference within the module
Figure C.3 — Examples of spacing requirements between live parts of different potential within a module
Figure C.4 — Clearance and creepage distance between internal live parts and outer accessible surfaces
Figure C.5 — Effect of frame tape or edge adhesive on clearance and creepage distance
Figure C.6 — Distance between internal live parts and outer accessible surfaces with a cemented joint
Figure C.7 — Backsheet with aluminium layer
Figure C.8 — Spacing requirements between the junction box ribbon and aluminium layer of backsheet
Figure C.9 — Considerations for clearances and creepage distances between live parts and outer accessible surfaces after installation and termination of junction box (J-box)
Figure C.10 — Possible critical points due to improper installation
Table 1 — Classes for protection against electric shock
Table 2 — Required type of insulation
Table 5 — Multiplication factors for clearances of equipment rated for operation at altitudes greater than 2 000 m above sea level
Table B.1 — Rated impulse voltage
Table B.2 — Minimum clearances for an inhomogeneous field
Table B.3 — Minimum spacings for thin layers
Table C.1 — Distance between parts of different potential within a PV module (values for Class II modules with working voltage of ≤ 35 V)
Table C.2 — Spacing between live parts and outer accessible surfaces (values for Class II modules with rated system voltage of 1 500 V)
AS/NZS 61730.1:2024
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.