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GB/T 40818-2021Plugs, socket-outlets and couplers with arcuate contacts (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 11, 2021

Implementation date

May 1, 2022

Scope

GB/T 40818-2021 (Plugs, socket-outlets and couplers with arcuate contacts) is available as an English-translated PDF.

GB/T 40818-2021 is the Chinese standard "Plugs, socket-outlets and couplers with arcuate contacts". Its scope clause reads: This document specifies the technical requirements for the structure, mechanical properties, and electrical properties of plugs, sockets and couplers with arc-shaped contacts.

This document is applicable to environments that are mainly used for commercial purposes, indoor use, and basically no water, and the rated working voltage does not exceed 600V, 50Hz or 60Hza.c., plugs, sockets, and connectors with standard structure arc contacts with rated currents of 20A and 30A And appliance input socket (hereinafter referred to as electrical accessories).

This document applies to electrical accessories used when the ambient temperature is usually within the range of -25°C to 40°C. These electrical accessories are only scheduled Connect with copper or copper alloy cables.

Interchangeability requirements are only defined for electrical accessories with protection class IP20. Note. The basic conditions for indoor use are based on the limits of IEC 60364-5-51.2005 table T51A and AD1.

Sockets or appliance inlets installed in or fixed to electrical equipment are within the scope of this document.

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Document preview — GB/T 40818-2021

National Standard of the People's Republic of China

Classification: K 30

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

Preface
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Standard rating
6 Category
7 Sign
8 size
9 Protection against electric shock
10 Grounding measures
11 Terminals and ends
12 Anti-aging of rubber and thermoplastic materials
13 General structure
14 The structure of the socket
15 Structure of plugs and connectors
16 The structure of the appliance inlet
17 Protection class
18 Insulation resistance and electric strength
19 Breaking capacity
20 Normal operation
21 Temperature rise
22 Flexible cables and their connections
23 Mechanical strength
24 Screws, current-carrying parts and connections
25 Creepage distance, electrical clearance and penetration sealant distance
26 Heat resistance
27 Flame resistance and tracking resistance
28 Corrosion and rust prevention
29 Limited short-circuit current withstand test
30 Electromagnetic compatibility

1 Scope

This document specifies the technical requirements for the structure, mechanical properties, and electrical properties of plugs, sockets and couplers with arc-shaped contacts.

This document is applicable to environments that are mainly used for commercial purposes, indoor use, and basically no water, and the rated working voltage does not exceed

600V, 50Hz or 60Hza.c., plugs, sockets, and connectors with standard structure arc contacts with rated currents of 20A and 30A

And appliance input socket (hereinafter referred to as electrical accessories).

This document applies to electrical accessories used when the ambient temperature is usually within the range of -25°C to 40°C. These electrical accessories are only scheduled

Connect with copper or copper alloy cables.

Interchangeability requirements are only defined for electrical accessories with protection class IP20.

Note. The basic conditions for indoor use are based on the limits of IEC 60364-5-51.2005 table T51A and AD1.

Sockets or appliance inlets installed in or fixed to electrical equipment are within the scope of this document.

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations

Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to

This document.

GB/T 3956 cable conductor (GB/T 3956-2008, IEC 60228.2004, IDT)

GB/T 4208 Enclosure protection grade (IP code) (GB/T 4208-2017, IEC 60529.2013, IDT)

GB/T 5013.4 Rubber insulated cables with rated voltages of 450/750 V and below Part 4.Flexible wires and flexible cables (GB/T 5013.4-2008, IEC 60245-4.2004, IDT)

GB/T 5023 (all parts) PVC insulated cables with rated voltages of 450/750V and below [IEC 60227 (all parts)]

GB/T 5169.11 Fire hazard test for electrical and electronic products Part 11.Glow wire/hot wire basic test method The glow of the finished product

Wire Flammability Test Method (GWEPT) (GB/T 5169.11-2017, IEC 60695-2-11.2014, IDT)

GB/T 5465.1-2009 Graphical symbols for electrical equipment Part 1.Overview and classification (IEC 60417Database..2007-

01,MOD)

GB/T 9797 metal covering layer nickel-chromium and copper-nickel-chromium electroplating layer (GB/T 9797-2005, ISO 1456.2003,

IDT)

GB/T 9799 Metal and other inorganic coatings The treated zinc electroplating layer on steel (GB/T 9799-2011,

ISO 2081.2008, IDT)

GB/T 11918.1-2014 Industrial plugs, sockets and couplers Part 1.General requirements (IEC 60309-1.2012,

MOD)

GB/T 12599 Technical specifications and test methods for tin electroplated metal coatings (GB/T 12599-2002, ISO 2093.

1986, MOD)

GB/T 13539.1 Low-voltage fuses Part 1.Basic requirements (GB/T 13539.1-2015, IEC 60269-1.2009,

IDT)

GB/T 13539.2 Low-voltage fuses Part 2.Supplementary requirements for fuses used by full-time personnel (mainly used for industrial fuses)

Fuse) Examples of standardized fuse systems A to K (GB/T 13539.2-2015, IEC 60269-2.2013, IDT)

GB/T 36277 | GB/T 34130.1 | GB/T 34130.21 | GB/T 11918.1 | GB/Z 40825 | […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 138 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 60228.2004 · IEC 60529.2013 · IEC 60245 · GB/T 5023 · IEC 60227 · IEC 60695 · IEC 60417 · ISO 1456.2003 · ISO 2081.2008 · IEC 60309 · ISO 2093 · IEC 60269

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