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GB/T 24975.4-2010 English PDF

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GB/T 24975.4-2010: Guide of environmental design for low-voltage apparatus -- Part 4: Contact
Status: Obsolete
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PDF similar to GB/T 24975.4-2010


Standard similar to GB/T 24975.4-2010

GB/T 30137   GB/T 32882   GB/T 20877   GB/T 20236   GB/T 16679.1   GB/T 24975   

Basic data

Standard ID GB/T 24975.4-2010 (GB/T24975.4-2010)
Description (Translated English) Guide of environmental design for low-voltage apparatus -- Part 4: Contact
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K04
Classification of International Standard 29.020
Word Count Estimation 6,613
Date of Issue 2010-08-09
Date of Implementation 2011-02-01
Quoted Standard GB 14048.1; GB 14048.4-2003; GB 17885; GB/T 24975.1-2010
Regulation (derived from) Announcement of Newly Approved National Standards No. 3, 2010 (No. 158 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the environmental factors will introduce Contactor Product (hereinafter referred to as product) of the basic principles. This section applies to new or improved product design. This part applies to the contactor include AC contactors, DC contactors, contactors for household and similar purposes, vacuum contactors, air conditioning, such as contactors. This section is aimed at the product design stage to control its impact on the environment.

GB/T 24975.4-2010: Guide of environmental design for low-voltage apparatus -- Part 4: Contact

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
. Guide of enviromental design for low-voltage apparatus Part 4. Contact ICS 29.020 K04 National Standards of People's Republic of China Low-voltage electrical Environmental Design Part 4. Contactors Part 4. Contact Issued on. 2010-08-09 2011-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 environmental aspects into product design and development of the overall consideration of 1 5 basic principles of environmental aspects into product design and development 1 5.1 General 1 5.2 raw material acquisition phase 1 5.3 Manufacturing Phase 2 5.4 Packaging, transport stage 2 5.5 Use Stage 2 5.6 end of life (recycling) Phase 2

Foreword

GB/T 24975 "low-voltage electrical Environmental Design" includes the following sections. --- Part 1. General; --- Part 2. Isolator; --- Part 3. Circuit Breaker; --- Part 4. contacts; --- Part 5. Fuse; --- Part 6. Button lights; --- Part 7. Terminal. This part of GB/T 24975 "low-voltage electrical Environmental Design" in Part 4 of this section shall be used in conjunction with Part 1. This part by the Environmental Committee of the National Standardization Technical Electrical and Electronic Products and Systems (SAC/TC297) and focal points. This section is drafted. Shanghai Electrical Apparatus Research Institute (Group) Co., Ltd., Beijing Electrical Machinery Industry Technology Research Institute of Economy, Changshu Switch Manufacturing Co., Ltd. The main drafters of this section. Ji Yu Hui, Shen Italian ice, Li Feng, Guo Liping, Zhou Jianxing. Low-voltage electrical Environmental Design Part 4. Contactors

1 Scope

This section provides the basic principles of environmental aspects into contact product (hereinafter referred to as products). This section applies to new or improved product design. This section applies the Contactors include AC contactors, DC contactors, household And similar purposes contactors, vacuum contactors, air conditioning and other contacts. The purpose of this section is to the product design stage to control its impact on the environment.

2 Normative references

The following documents contain provisions which, through reference GB/T 24975 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB 14048.1 low-voltage switchgear and control equipment Part 1. General (GB 14048.1-2006, IEC 60947-1.2001, MOD) GB 14048.4-2003 Low-voltage switchgear and control equipment, electromechanical contactors and motor starters (IEC 60947-4-1. 2000, IDT) GB 17885 household and similar purposes Electromechanical contactors (GB 17885-2009, IEC 61095.2000, IDT) GB/T 24975.1-2010 Low-voltage electrical Environmental Design - Part 1. General

3 Terms and Definitions

GB/T 24975.1-2010 Chapter 3 apply.

4 environmental aspects into consideration overall product design and development

GB/T 24975.1-2010 Chapter 4 apply. And attention to the study GB 14048.1, GB 14048.4-2003 and GB 17885 The relevant requirements.

5 basic principles of environmental aspects into product design and development

5.1 General GB/T 24975.1-2010 5.1 apply. 5.2 raw material acquisition phase 5.2.1 General GB/T 24975.1-2010 5.2 apply. 5.2.2 Plastic a) material category Not in direct contact with the arc preferred thermoplastic components (such as nylon, PBT, ABS, polycarbonate, etc.). The contact The base, bobbin, terminals and protective enclosures. Direct contact with the arc parts choose thermosetting plastics (such as phenolic, urea-formaldehyde plastics, SMC, unsaturated polyester fiberglass plastic DMC materials, etc.). Contactor interrupter, contact holder, every arc board. b) a flame retardant

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