GB/T 9364.6-2023Miniature fuses - Part 6: Fuse-holders for miniature fuse-links (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting:

This document is Part 6 of GB/T 9364 "Miniature Fuses": GB/T 9364 has released the following parts:

---Part 1: Definition of miniature fuses and general requirements for miniature fuse links;

---Part 2: Tubular fuse links;

---Part 3: Ultra-small fuse links;

---Part 4: Universal modular fuse (UMF) through-hole and surface mount;

---Part 5: Guidelines for quality assessment of small fuse links;

---Part 6: Fuse supports for small fuse links;

---Part 7: Small fuse links for special applications;

---Part 8: Fusing resistors with special overcurrent protection;

---Part 10: User Guide;

---Part 11: Fuse links for LED lamps:

This document replaces GB/T 9364.6-2001 "Miniature fuses - Part 6: Fuse holders for small tubular fuse links": and Compared with GB/T 9364.6-2001, in addition to structural adjustments and editorial changes, the main technical changes are as follows:

---Changed the definition of fuse holder (see 3.1:1,:2001 version of 3:1:1);

---Changed the definition of fuse-carrying parts (see 3.1:2,:2001 version of 3:1:2);

---Changed the terms and definitions of fuse supports (see 3.1:3,:2001 version of 3:1:3);

---Changed the definition of non-exposed fuse support (see 3.1:4,:2001 version of 3:1:4);

---Changed the definition of exposed fuse support (see 3.1:5,:2001 version of 3:1:5);

---Changed the definition of rated allowable power (see 3.3,:2001 version of 3:3);

---Changed the terminology of impulse withstand voltage (see 3.7,:2001 version of 3:7);

---Changed the terms and definitions of tracking index (see 3.15,:2001 version of 3:15);

---Changed the definition of live parts (see 3.16,:2001 version of 3:16);

---Changed the definition of insulation (see 3.20, 3:21 of the:2001 edition);

---Changed the terms and definitions of supplementary insulation (see 3.20:3, 3:21:3 of the:2001 edition);

---Changed the definition of reinforced insulation (see 3.20:5, 3:21:5 of the:2001 edition);

---Added terms and definitions for inaccessible parts (see 3.21);

---Changed the terms and definitions of accessible parts (3:22, see 3.17 of the:2001 edition);

---Changed the rated current (see 5.2,:2001 version of 5:2);

---Changed the sizes of the maximum and minimum test gauges of standard specifications sheets 3 and 4 (see Table 5, Table 4 of the:2001 edition);

---Deleted the requirements for the maximum ambient air temperature of components (see 5.4, 5:4 of the:2001 edition);

---Added size and material requirements for simulated fuse links (see 8.5);

---Changed the technical content of "electrical clearance" (see 10.3, 10:2 of the:2001 edition);

--- Added requirements for insulation resistance, dielectric strength and impulse withstand voltage of lower voltage fuse supports (see 11.1);

---Changed the measurement and requirements of contact resistance (see 11.2:3, 11:2:3 of the:2001 edition);

---Changed the installation requirements in the mechanical requirements test (see 12.2, 12:1 of the:2001 edition);

---Added the torque requirements for fuse supports with bayonet fuse carriers (see 12.3);

---Changed the layout requirements of the fuse support sample in the plane (see 13.1:2, 13:1:1 of the:2001 edition);

---Added glow wire ignition test (see 13.2:2);

---Changed the requirements for resistance to cleaning agents (see 15.2, 15:2 of the:2001 edition):

This document is modified to adopt IEC 60127-6:2014 "Miniature fuses - Part 6: Fuse supports for small fuse links":

The technical differences between this document and IEC 60127-6:2014 and their reasons are as follows:

--- Added "This document specifies the ratings, protection against electric shock, electrical clearances and creepage distances of fuse supports for small fuse links "technical requirements such as isolation, electrical requirements, mechanical requirements, thermal requirements and durability" to comply with the requirements of GB/T 1.1 (see Chapter 1);

---Replaced IEC 60050-441 with normatively quoted GB/T 2900.18 to comply with my country's technical requirements and improve operability (See Chapter 3);

---Replaced IEC 60050-581 with normatively quoted GB/T 4210 to comply with my country's technical requirements and improve operability (see Chapter 3)

---Replaced IEC 60068-2-45:1980 and its Amd1:1993 with normatively cited GB/T 2423.30-2013, both documents the degree of consistency between parts is modified to adapt to my country's technical conditions and improve operability (see Chapter 15);

---Replaced IEC 60664-1:2007 with normatively quoted GB/T 16935.1-2008 to comply with my country's technical requirements and improve Operability (see Chapter 3, Chapter 5, Chapter 10 and Chapter 11);

---Replaced IEC 60127-1:2006 and its Amd1:2011 with the normatively cited GB/T 9364.1-2015, two documents the degree of consistency between them is modified to adapt to my country's technical conditions and improve operability (see Chapter 3, Chapter 6, 8:2);

---Replaced IEC 60127-2:2003 and its Amd1:2010 with normatively cited GB/T 9364.2-2018, updated the text the referenced standard is IEC 60127-2:2014: The degree of consistency between the two documents has been modified to adapt to my country's technical conditions:

software and improve operability (see Chapter 5, 8:5);

---Replaced IEC 60127-3:1988 and its Amd1:1991 and Amd2 with normatively cited GB/T 9364.3-2018:

In:2002, the standard cited in the updated article was IEC 60127-3:2015: The degree of consistency between the two documents was modified to suit Adapt to my country's technical conditions and improve operability (see Chapter 5, 8:5);

---Replaced IEC 61140:2001 and its Amd1:2004 with the normatively cited GB/T 17045-2020, updated in the text cited the standard used is IEC 61140:2016 (see Chapter 5);

---Replaced IEC 61210:2010 with normatively cited GB/T 17196-2017: The degree of consistency between the two documents is Modify to adapt to my country's technical conditions and improve operability (see 12.7:3:2);

---Replaced IEC 60695-11-5:2004 with the normatively cited GB/T 5169.5-2020, and modified 13:2:1 accordingly the title of Chapter 7 of GB/T 5169.5-2020 cited in the article is to adapt to my country's technical conditions and improve operability (see 13.2:1):

The following editorial changes have been made to this document:

---Corrected the errors in the corresponding clauses in Table B:1 in the original text (see Appendix B):

Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:

Introduction

GB/T 9364 aims to standardize the technical requirements for small fuses: As a circuit safety protection component, small fuses are used to protect various Electrical devices, electronic equipment and components therein, such as home appliances, IT, AV, digital products, etc:

GB/T 9364 is intended to consist of the following parts:

---Part 1: Definition of miniature fuses and general requirements for miniature fuse links: The purpose is to standardize the definition and general requirements of small fuses Sum test requirements:

---Part 2: Tubular fuse links: The purpose is to standardize the standard specifications, size and structure, electrical performance and other technologies of tubular fuse links:

technical requirements:

---Part 3: Ultra-small fuse links: The purpose is to standardize the standard specifications, size and structure, and electrical performance of ultra-small fuse links:

and other technical requirements:

---Part 4: Universal modular fuse (UMF) through-hole and surface mount: The purpose is to standardize the general modular fuse-link Standard specification sheet, size and structure, electrical performance and other technical requirements:

---Part 5: Guidelines for quality assessment of small fuse links: The purpose is to provide operable and quantifiable methods for quality assessment of small fuse links:

Guidelines:

---Part 6: Fuse supports for small fuse links: The purpose is to standardize the ratings, Technical requirements such as protection against electric shock, electrical clearances and creepage distances, electrical requirements, mechanical requirements, thermal requirements and durability:

---Part 7: Small fuse links for special applications: The purpose is to standardize the standard specifications and construction of small fuse links for special applications:

Technical requirements such as structure and electrical performance:

---Part 8: Fusing resistors with special overcurrent protection: The purpose is to standardize fused circuit breakers with special overcurrent protection:

Technical requirements such as general requirements, standard ratings, size and structure, and electrical requirements for resistors:

---Part 9: Small fuses for special applications with partial breaking capacity: The purpose is to standardize special equipment with partial breaking capability:

Technical requirements such as general requirements, standard ratings, size and structure, and electrical requirements for small fuses for special applications:

---Part 10: User Guide: The purpose is to introduce the important properties of small fuses and fuse holders, and guide users in their selection and use:

---Part 11: Fuse links for LED lamps: The purpose is to standardize the general requirements, standard ratings, and standards for fuse links for LED lights:

specifications, testing, dimensions and structure, electrical performance and other technical requirements:

This document can provide guidance for the production of fuse support products for small fuse links and improve the technical performance, safety and reliability of the product:

It protects all kinds of electrical devices, electronic equipment and the components in them:

Miniature fuses Part 6:

Fuse holder for small fuse links

1 Scope

This document specifies the ratings, protection against electric shock, clearances and creepage distances, electrical requirements, Technical requirements such as mechanical requirements, thermal requirements and durability:

This document applies to small tubular fuse links complying with GB/T 9364.2-2018 and ultra-miniature fuse links complying with GB/T 9364.3-2018 Fuse holders for fuse links: Miniature fuses are typically intended to protect indoor electrical installations, electronic equipment, and the components within them:

Examples of fuse holder types with different characteristics are given in Table 1:

Table 1 Characteristics of non-exposed or exposed fuse supports

2.1.1

2.1.2

2.1.2.2

2.2.1

2.2.2

Installation type

Panel and stand mounting Printed circuit board installation Fixed method Fixing method on panel Fastening nut fixation Quick press-in fixation Fuse holder with integral elastic device A fusion nut with a split elastic nut (e.g., a nut made of spring steel plate that is designed to have grooves that fit into the mating part) breaker base Fixing method on printed circuit board Welded fixed plug-in fixed Connection method of fuse carrying part and fuse holder Threaded bayonet type Plug-in Terminal type Screw terminal Solder terminal Quick connect terminal Other non-soldering terminals:---Crimp terminals

---Wrap terminals

Protection against electric shock Fuse holder without integral protection against electric shock Fuse holder with integral protection against electric shock with fuse support to enhance overall protection against electric shock Note: This table does not include all fuse supports, so fuse supports not included in this table may not be outside the scope of this document: