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GB/T 37410-2019Technical specifications of junction box for terrestrial solar-photovoltaic modules (English PDF)

地面用太阳能光伏组件接线盒技术条件

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

May 10, 2019

Implementation date

December 1, 2019

Scope

GB/T 37410-2019 is the English-translated version of 地面用太阳能光伏组件接线盒技术条件.

GB/T 37410-2019 is the Chinese standard "Technical specifications of junction box for terrestrial solar-photovoltaic modules". Its scope clause reads: This standard specifies the structural requirements and performance requirements for ground-based solar photovoltaic module junction boxes, as well as test methods.

This standard applies to light with a DC voltage less than or equal to 1500V and in accordance with the application of Class II in GB/T 20047.1-2006. Junction box for volt components.

For electronic devices mounted on components for control, monitoring or similar operations, refer to this standard. Note. Refer to this standard for junction boxes that meet application levels 0 through III in photovoltaic systems.

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Document preview — GB/T 37410-2019

National Standard of the People's Republic of China

ICS: 27.160
Classification: F 12

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 Structural requirements and performance
4.1 Overview
4.2 Identification and marking
4.3 Electric shock protection
4.4 Terminals, connectors and connection methods
4.5 Connector
4.6 Cable
4.7 Anti-aging
4.8 General Principles of Design
4.9 Degree of protection (IP)
4.10 Insulation strength
4.11 Ambient temperature range
4.12 Cable fixing device
4.13 Mechanical strength
4.14 Insulation
4.15 Clearance and creepage distance
4.16 Insulation
4.17 Current-carrying parts and corrosion resistance
4.18 Seal
4.19 Bypass Diode
5 Test Method
5.1 Overview
5.2 Sample
5.3 Performance Indicator Test
5.4 Test sequence
Appendix A (informative) Symbol "Disconnect when load is prohibited"
Appendix B (Normative) Conformal Coating Conditions for Pollution Protection
Appendix C (Normative) Measurement of Clearance and Creepage Distance

1 Scope

This standard specifies the structural requirements and performance requirements for ground-based solar photovoltaic module junction boxes, as well as test methods.

This standard applies to light with a DC voltage less than or equal to 1500V and in accordance with the application of Class II in GB/T 20047.1-2006.

Junction box for volt components.

For electronic devices mounted on components for control, monitoring or similar operations, refer to this standard.

Note. Refer to this standard for junction boxes that meet application levels 0 through III in photovoltaic systems.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 2421.1-2008 Overview and guidelines for environmental testing of electronic and electrical products (IEC 60068-1.1988, IDT)

GB/T 2423.22-2012 Environmental testing - Part 2. Test methods Test N. Temperature change (IEC 60068-2-14.

2009, IDT)

GB/T 2423.53-2005 Environmental testing of electric and electronic products - Part 2. Test method Test Xb. Caused by friction of the hand

Wear of markings and printed characters (IEC 60068-2-70.1995, IDT)

GB/T 2423.55-2006 Environmental testing for electric and electronic products - Part 2. Test methods Test Eh. Hammer test (IEC 60068-2-75.1997, IDT)

GB/T 4207-2012 Determination of the tracking resistance index of solid insulating materials and the method of measuring the electrical tracking index (IEC 60112.2009,

IDT)

GB/T 4208-2017 enclosure protection class (IP code) (IEC 60529..2013, IDT)

GB/T 5169.11-2017 Electrical and electronic products - Fire hazard testing - Part 11. The basic test method

Glow wire flammability test method (GWEPT) (IEC 60695-2-11.2014, IDT)

GB/T 5169.16-2017 Electrical and electronic products - Fire hazard test - Part 16. Test flame 50W horizontal and vertical flame

Test method (IEC 60695-11-10.2013, IDT)

GB/T 5169.17-2017 Electrical and electronic products - Fire hazard testing - Part 17. Test flames 500 W (IEC 60695-11-20..2015, IDT)

GB/T 5169.21-2017 Electrical and electronic products - Fire hazard testing - Part 21. s.

(IEC 60695-10-2.2014, IDT)

GB/T 13140.4-2008 Connections for low-voltage circuits for household and similar use - Part 2

Particular requirements for connecting devices with insulated clamping members (IEC 60998-2-3.2002, IDT)

GB/T 14048.7-2016 Low-voltage switchgear and controlgear - Part 7-1. s.

(IEC 60947-7-1..2009, MOD)

GB/T 16422.2-2014 exposure test methods for plastics - Part 2. Xenon arc lamps (ISO 4892-2.2006,

IDT)

GB/T 16422.3-2014 exposure test methods for light source in plastics - Part 3. Fluorescent UV lamps (ISO 4892-3.

2006, IDT)

GB/T 40102 | GB/T 39750 | GB/T 37658 | GB/T 37409 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 64 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 2421.1-2008 · IEC 60068 · IEC 60112.2009 · IEC 60529 · IEC 60695 · GB/T 13140.4-2008 · IEC 60998 · IEC 60947 · ISO 4892

Cited by

GB/T 46985.3-2025Safety of power converters for use in photovoltaic power systems - Part 3: Particular requirements for electronic devices in combination with photovoltaic elements

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