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GB/T 11918.2-2014 English PDF (GBT11918.2-2014)

GB/T 11918.2-2014 English PDF (GBT11918.2-2014)

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GB/T 11918.2-2014: Plugs, socket-outlets and couplers for industrial purposes -- Part 2: Dimensional compatibility and interchangeability requirements for pin and contact-tube accessories

This Part of GB/T 11918 defines technical requirements of dimensional interchangeability of plugs, socket-outlets and couplers for industrial purposes with bolts and bushes.
GB/T 11918.2-2014
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 29.120.30
K 30
Replacing GB/T 11919-2001
Plugs, socket-outlets and couples for industrial
purposes - Part 2. Dimensional compatibility and
interchangeability requirements for pin and
contact-tube accessories
(IEC 60309-2.2012, MOD)
ISSUED ON. JUNE 24, 2014
IMPLEMENTED ON. JANUARY 22, 2015
Issued by. General Administration of Quality Supervision, Inspection
and Quarantine of the PEOPLE Republic of China;
Standardization Administration of the PEOPLE Republic of
China.
Table of Contents
Foreword ... 4
1 Scope ... 7
2 Normative references ... 8
3 Terms and definitions ... 8
4 General ... 8
5 Standard ratings ... 9
6 Classification ... 9
7 Marking ... 9
8 Dimensions ... 12
9 Protection against electric shock ... 18
10 Provision for earthing ... 19
11 Terminals and terminations ... 19
12 Interlocks and retaining devices ... 22
13 Resistance to ageing of rubber and thermoplastic material ... 23
14 General construction ... 23
15 Construction of socket-outlets ... 24
16 Construction of plugs and connectors ... 26
17 Construction of appliance inlets ... 27
18 Degrees of protection ... 27
19 Insulation resistance and dielectric strength ... 27
20 Breaking capacity ... 28
21 Normal operation ... 28
22 Temperature rise ... 28
23 Flexible cables and their connection ... 28
24 Mechanical strength ... 28
25 Screws, current-carrying parts and connections ... 28
26 Creepage distances, clearances and distances through sealing
compound ... 29
27 Resistance to heat, fire and tracking ... 29
28 Corrosion and resistance to rusting ... 29
29 Conditional short-circuit current withstand test ... 29
30 Electromagnetic compatibility ... 29
Annex A (Informative) List of the clause numbers that require re-testing ... 77
Foreword
GB/T 11918 Plugs, socket-outlets and couplers for industrial purposes is planed to be divided into 4 parts.
?€? Part 1. General requirements;
?€? Part 2. Dimensional compatibility and interchangeability requirements for pin and contact - tube accessories;
?€? Part 3. (name to be determined);
?€? Part 4. Switched socket-outlets and connectors with or without interlock. This Part is Part 2 of GB/T 11918.
This Part is drafted in accordance with the rules specified in GB/T 1.1-2009. This Part replaces GB/T 11919-2001 Plugs, socket-outlets and couplers for industrial purposes - Part 2. Dimensional compatibility and interchangeability requirements for pin and contact-tube accessories.
Compared with GB/T 11919-2001, this Part has the following main changes. - According to IEC 60309-2.2012, the standard name is changed from ?€?Plugs, socket-outlets and couplers for industrial purposes - Part 2. Dimensional interchangeability requirements for pin and contact-tube accessories?€? to be ?€?Plug, socket-outlets and couplers for industrial purposes - Part 2. Dimensional compatibility and interchangeability requirements for pin and contact-tube accessories?€?; - The rated operational voltage in Chapter 1 is changed from 690V to 1,000V; - Chapter 1 defines that the accessories are only intended to be installed and used by trained (electrical) persons or skilled (electrical) technicians;
- Chapter 1 extends the range applicable to electrical accessories with screwless terminals or insulation piercing terminals;
- Chapter 2 adds GB 16895.21 and GB 14048.3;
- Add relevant description of 4.1;
- Add the classification of standard IP codes as specified in GB 4208 to 5.101; - Delete 6.1.2 of GB/T 11919-2001;
- Modify 7.2;
- Add ?€?the indicating requirements of electrical accessories at the 8h clock position for portable thermostats with the operating voltage not more than 50V?€? to 7.5; - Add ?€?the positions of small keys or key slots of special electrical accessories with rated operational voltage not more than 50V?€? to 8.1;
the Foreword of this Part; and delete the Introduction;
- Make adjustment to the ?€?list of chapters needing repeated tests?€? in Annex B according to the national standard GB/T 11919- 2001 that corresponds to IEC 60309-2. This Part was proposed by China Electrical Equipment Industrial Association. This Part shall be under the jurisdiction of National Electrical Accessory Standardization Technical Committee (SAC/TC 67).
Main drafters of this Part. China National Electric Apparatus Research Institute Co., Ltd., Shantou Dongya Electrical Appliances Factory, Hangzhou HONYAR Electrical Co., Ltd., Yuehua Holding Group Co., Ltd., MIG Technology Inc., Beijing Top Electric Co., Ltd., Bull Group Co., Ltd., Zhongshan Weipu Electrical Appliance Co., Ltd., Chengdu Reliance Electric Co., Ltd., Ningbo Well Electrical Co., Ltd., Zhejiang Hengtai Electrical Co., Ltd., Nanjing Mennekes Electric Appliances Co., Ltd., Feidiao Electrical Appliances (Group) Co., Ltd., Shanghai Electric Tool Research Institute, Vkan Certification and Testing Co., Ltd., Clipsal Manufacturing (HuiZhou) limited (Shenzhen branch), Guangzhou Panyu Tianhong Industrial Development Co., Ltd., Nexus Electrical (Jiaxing) Ltd., and Nanjing Kangni Technology Industrial Co., Ltd.
Main drafters of this Part. Ding Hanhui, Cai Jun, Jin Feng, Wang Chaosheng, Huang Jun, Zhu Songtao, Ruan Liping, Chen Zanhui, Wang Huayi, Li Hongwen, Luo Deyuan, Ju Minghua, Zheng Wei, Zhang Weichang, Yuan Qu, Gong Zhilei, Li Dajian, Zhang Lirong, Ding Li, Li Lixin, Luo Shiming, and Cai Yingfeng.
The previous versions replaced by this Part are as follows.
- GB/T 11919-1989, GB/T 11919-2001.
Plugs, socket-outlets and couples for industrial
purposes - Part 2. Dimensional compatibility and
interchangeability requirements for pin and
contact-tube accessories
1 Scope
This clause in GB/T 11918.1-2014 is replaced as follows.
This Part of GB/T 11918 defines technical requirements of dimensional interchangeability of plugs, socket-outlets and couplers for industrial purposes with bolts and bushes. This Part applies to plugs and socket-outlets, cable couplers and appliance couplers with a rated operating voltage not exceeding 1000 V, 500 Hz and a rated current not exceeding 125 A, primarily intended for industrial use, either indoors or outdoors. NOTE. All references for accessories with a rated current of more than 125 A in GB/T 11918 are not applicable to this Part.
These accessories are intended to be installed by trained persons (GB/T 2900.73-2008, definition 195-04-02) or skilled persons (GB/T 2900.73-2008, 195-04-01) only. This Part applies to plugs and socket-outlets, cable couplers and appliance couplers with pins and contact tubes of standardized configurations.
This Part applies to plugs and socket-outlets, cable couplers and appliance couplers, hereinafter referred to as accessories, for use when the ambient temperature is normally within the range -25 ??C to 40 ??C (hereinafter referred to as electrical accessory). The use of these accessories on building sites and for agricultural, commercial and domestic applications is not precluded.
This Part applies to accessories with screwless type terminals or insulation piercing terminals, with a rated current up to and including 32 A for series I and 30 A for series II. Socket-outlets or appliance inlets incorporated in or fixed to electrical equipment are within the scope of this Part. This Part also applies to accessories intended to be used in extra-low voltage installations.
NOTE. This Part does not apply to accessories primarily intended for domestic and similar general purposes.
In locations where special conditions prevail, for example on board ship or where ex...

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