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GB/T 13539.5-2020Low-voltage fuses - Part 5: Guidance for the application of low-voltage fuses (English PDF)

低压熔断器 第5部分:低压熔断器应用指南

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

November 19, 2020

Implementation date

June 1, 2021

Scope

GB/T 13539.5-2020 is the English-translated version of 低压熔断器 第5部分:低压熔断器应用指南.

GB/T 13539.5-2020 is the Chinese standard "Low-voltage fuses - Part 5: Guidance for the application of low-voltage fuses".

Its scope clause reads: This part of GB/T 13539 is used to guide the application of low-voltage fuses: The standard describes how current-limiting fuses can be conveniently used for protection: Protect modern complex and sensitive electrical and electronic equipment: This part is applicable to the AC to the IEC 60269 series designed and manufactured Low voltage fuse of 1000V, DC to 1500V: This section provides important technical arguments and information on fuse applications:.

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Document preview — GB/T 13539.5-2020

National Standard of the People's Republic of China

ICS
29.120.50
Classification
K 30
Replacing
GB/T 13539.5-2013

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

Contents

  • Preface
  • Introduction
  • 1 Scope
  • 2 Normative references
  • 3 Terms and definitions
  • 4 Advantages of fuse
  • 5 Structure and action of the fuse
  • 6 Fuse combination appliances
  • 7 Selection and marking of fuse
  • 8 Wire protection
  • 9 Selectivity to protect electrical appliances
  • 10 Short circuit protection
  • 11 Protection of power factor compensation capacitor
  • 12 Transformer protection
  • 13 Motor circuit protection
  • 14 Circuit breaker protection in AC and DC circuits
  • 15 Protection of semiconductor equipment in DC and AC circuits
  • 16 Fuse in the housing
  • 17 DC applications
  • 18 Automatic cut-off of electrical shock protection for building installations
  • 19 Photovoltaic (PV) system protection
  • 20 Wind power system protection
  • Appendix A (informative appendix) Coordination between fuse and contactor/motor starter
  • References

1 Scope

This part of GB/T 13539 is used to guide the application of low-voltage fuses: The standard describes how current-limiting fuses can be conveniently used for protection:

Protect modern complex and sensitive electrical and electronic equipment: This part is applicable to the AC to the IEC 60269 series designed and manufactured

Low voltage fuse of 1000V, DC to 1500V: This section provides important technical arguments and information on fuse applications:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article

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

GB/T 16895:5-2012 Low-voltage electrical installations Part 4-43: Safety protection overcurrent protection (IEC 60364-4-43:

2008, IDT)

GB/T 16895:21-2011 Low-voltage electrical installations Part 4-41: Safety protection and electric shock protection (IEC 60364-4-41:

2005, IDT)

GB /Z 25842:1-2010 Low-voltage switchgear and control equipment overcurrent protective electrical appliances-Part 1: Application of short-circuit rating (IEC /T R61912-1:2007, IDT)

IEC 60050 (all parts) International Electrotechnical Vocabulary (InternationalElectrotechnicalVocabulary)

IEC /T R60146-6 Semiconductor converter Part 6: Use of fuses to protect semiconductor converters against overcurrent applications

Then (Semiconductorconvertors-Part 6: Application guide for the protection of semiconductor convertorsagainstovercurrentbyfuses)

IEC 60269 (all parts) Low-voltage fuses

IEC 60269-1:2006 Low-voltage fuses-Part 1: Basic requirements (Low-voltagefuses-Part 1: Generalre- quirements)

IEC 60269-2 Low-voltage fuses Part 2: Supplementary requirements for fuses used by full-time personnel (mainly used for industrial fuses)

) Standardized fuse system examples A to K (Low-voltagefuses-Part 2:Supplementaryrequirementsfor fusesforusebyauthorizedpersons(fusesmainlyforindustrialapplication)-Examplesofstandardized systemsoffusesAtoK]

IEC 60269-3 Low-voltage fuses Part 3: Supplementary requirements for fuses used by unskilled personnel (mainly used for household and

Similar purpose fuses) Examples of standardized fuse systems A to F (Low-voltagefuses-Part 3:Supplementaryrequire- mentsforfusesforusebyunskiledpersons(fusesmainlyforhouseholdorsimilarapplications)-Ex- amplesofstandardizedsystemsoffusesAtoF]

IEC 60269-4:2009 Low-voltage fuses Part 4: Supplementary requirements for fuse-links for the protection of semiconductor equipment (Low-voltage fuses-Part 4:Supplementaryrequirementsforfuse-linksfortheprotectionofsemiconductordevices)

IEC 60269-6 Low-voltage fuses Part 6: Supplementary requirements for fuse-links for the protection of solar photovoltaic systems (Low-voltage fuses-Part 6:Supplementaryrequirementsforfuse-linksfortheprotectionofsolarphotovoltaicener- gysystems)

IEC 60364-5-52 Low-voltage electrical installations Part 5-52: Selection and installation of electrical equipment wiring system (Low-voltage

GB 14048.1 | GB 13140.1 | GB 13140.3 | GB/T 13539.7 | GB/T 13539.6 | GB/T 13539.3 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 84 pages — is available in the English PDF.

Referenced standards

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